I've gone through constin's list and matched up the .apk filenames to the application names as they appear in titanium backup.

By the way, does anyone know what the .apk name for Hanashi is? Can't seem to find it.


DO NOT REMOVE
AccountAndSyncSettings.apk ==== Account and Sync Settings
AdobeFlashPlayer.apk ==== Adobe Flash Player
AntHalService.apk ==== AntHalService
ApplicationsProvider.apk ==== Search Applications Provider
Bluetooth.apk ==== Bluetooth Share
bootinfo.apk ==== DownloadAgent
CalendarProvider.apk ==== Calendar Storage
CertInstaller.apk ==== Certificate Installer
CredentialManagerService.apk ==== Credential Manager Service
CustomizationProvider.apk ==== CustomizationProvider
CustomizationSimPayType.apk ==== com.sonyericsson.customization.simpaytype
CustomizedApplicationInstaller.apk ==== Customized App Installer
CustomizedSettings.apk ==== Customized settings
DefaultCapabilities.apk ==== com.sonyericsson.capabilities
DefaultContainerService.apk ==== Package Access Helper
device-monitor.apk ==== devicemonitor
DMClient.apk ==== Software update
DownloadProvider.apk ==== Download Manager
DrmDialogs.apk ==== com.sonyericsson.drmdialogs
DrmProvider.apk ==== DRM-Protected Content Storage
enhancedusbux.apk ==== com.sonyericsson.usbux
FastDormancy.apk ==== com.sonyericsson.android.server.dormant
FmRxService.apk ==== FmRxService
genericappinstaller.apk ==== GenericAppInstaller
GoogleBackupTransport.apk ==== Google Backup Transport
GoogleCalendarSyncAdapter.apk ==== Google Calendar Sync
GoogleContactsSyncAdapter.apk ==== Google Contacts Sync
GoogleServicesFramework.apk ==== Google Services Framework
InfiniteView.apk ==== Infinite view
LiveWallpapersPicker.apk ==== Live Wallpaper Picker
LocalContacts.apk ==== com.sonyericsson.localcontacts
Maps.apk ==== Maps
MarketUpdater.apk ==== Market Updater
MediaProvider.apk ==== [PLAYLISTS] Media Storage
MtpAppGB.apk ==== MtpApp
NetworkLocation.apk ==== Network Location
OMAClientProvisioning.apk ==== OMA Client Provisioning
OmaV1AgentDownloadServices.apk ==== com.sonyericsson.android.drm.services
PackageInstaller.apk ==== Package installer
Phonebook.apk ==== Contacts
PicoTts.apk ==== Pico TTS
ReadyToRun.apk ==== R2R Client
SemcCameraApplication.apk ==== Camera
SemcContactsProvider.apk ==== Contacts Storage
SemcHdmiControlService.apk ==== SemcHdmiControlService
SemcHdmiEnabler.apk ==== HDMI
SemcPhone.apk ==== [VOICEMAIL] Keypad
SemcSettings.apk ==== ApplicationSettings
SemcTelephonyProvider.apk ==== [SMD/MMS/APN] Dialer Storage
ServiceMenu.apk ==== Service Menu
Settings.apk ==== [WALLPAPER/SETTINGS] Settings
SettingsProvider.apk ==== [SETTINGS/BLUETOOTH] Settings Storage
ShutDownAnimation.apk ==== com.sonyericsson.shutdownanim
SoundPicker.apk ==== SoundPicker
Sync.apk ==== Synchronisation
SystemUI.apk ==== Status Bar
Talk.apk ==== Talk
TtsService.apk ==== TTS Service
usb-mtp-update-wrapper.apk ==== com.sonyericsson.mtp.extension.update
usb-mtp-vendor-extension-service.apk ==== com.sonyericsson.mtp
UseragentProvider.apk ==== UserAgentProvider
UserDictionaryProvider.apk ==== [USER DICT] User Dictionary
Vending.apk ==== Market
VerifyCertificatesDummyAppApplication.apk ==== VerifyCertificatesDummyApp
VerifyCertificatesDummyAppMedia.apk ==== VerifyCertificatesDummyApp
VerifyCertificatesDummyAppPlatform.apk ==== VerifyCertificatesDummyApp
VerifyCertificatesDummyAppShared.apk ==== VerifyCertificatesDummyApp
VoiceDialer.apk ==== Voice Dialler
VoiceSearch.apk ==== Voice Search
VoipCallLogProvider.apk ==== com.sonyericsson.voipcalllog
VpnServices.apk ==== VPN Services
WapiCustomization.apk ==== com.sonyericsson.wapicustomization
WapPush.apk ==== com.sonyericsson.wappush


SAFE TO REMOVE
AccessoryKeyDispatcher.apk ==== com.sonyericsson.accessorykeydispatcher
Calculator.apk ==== Calculator
CdfInfoAccessor.apk ==== com.sonyericsson.cdinfoaccessor
chinesetextinput.apk ==== Chinese Keyboard
com.sonyericsson.androidapp.foursquare_ext_ts3.apk ==== ??? (dont have this on my phone any more)
com.sonyericsson.androidapp.timescapefeedsplugin.a pk ==== ??? (dont have this on my phone any more)
com.sonyericsson.com.nordics-1.apk ==== Hanashi
com.whatsapp.apk ==== ??? (dont have this on my phone any more)
*CoreNotificationPublisher.apk ==== Lock screen notifications
CrashSMS.apk ==== (SemcCrashMonitor???) Crash Monitor
datatrafficswitch.apk ==== Data traffic
DigitalClockWidget.apk ==== Digital Clock 1.0
DownloadProviderUi.apk ==== Downloads
EventStream.apk ==== Event Stream Engine
EventStreamPluginCallLog.apk ==== Call log extension
EventStreamPluginFacebook.apk ==== Facebook extension
EventStreamPluginTelephony.apk ==== Messaging Extension
EventStreamPluginTwitter.apk ==== Twitter Extension
facebook.apk ==== Facebook
*FBCalendarSync.apk ==== Facebook CalendarSync
*FBMediaDiscovery.apk ==== Media Discovery
*FBMusicLike.apk ==== Music Likes
*FBNotificationPublisher.apk ==== Facebook Notification Publisher
*FBSetupwizard.apk ==== Facebook setup
GenieWidget.apk ==== News & Weather
Gmail.apk ==== Gmail
GoogleFeedback.apk ==== Market Feedback Agent
GooglePartnerSetup.apk ==== Google Partner Setup
GoogleQuickSearchBox.apk ==== Google Search
HTMLViewer.apk ==== HTML Viewer
IddAgent.apk ==== Anonymous Usage Stats
JapaneseIME.apk ==== POBox Touch
LearningClient.apk ==== com.sonyericsson.learningclient
letsgolf_A_353.apk ==== Let's Golf!
LiveWallpapers.apk ==== Android Live Wallpapers
LivewareManager.apk ==== LiveWare manager
MagicSmokeWallpapers.apk ==== Magic Smoke Wallpapers
MediaWidget.apk ==== Media shortcuts
MediaUploader.apk ==== My Uploads
MusicWidget.apk ==== Music player
*NotificationProvider.apk ==== NotificationsContentProvider
officesuite.apk ==== OfficeSuite
OmaDatasyncService.apk ==== Sony Ericsson Sync
PhotoWidget.apk ==== Photos and videos
*playnowclientarvato.apk ==== Store
playnowappinstaller.apk ==== [defunct]
playnowclient.apk ==== [defunct]
POBoxSknPink.apk ==== Sakura
POBoxSknWood.apk ==== Woody
Protips.apk ==== Home screen tips
qcsemcservice.apk ==== QC SEMC Service
Radio.apk ==== FM radio
retaildemo.apk ==== Retail Demo
SecureClockJava.apk ==== SecureClockService
SemcCrashMonitor.apk ==== CrashMonitor
SemcDlna.apk ==== Media server
*SEMCFacebookService.apk ==== Sony Ericsson Facebook
SEMCSetupWizard.apk ==== Setup guide
SemcVideoEdit.apk ==== Video editor
SoundRecorder.apk ==== Sound Recorder
StatusSwitch.apk ==== Status switch
Stk.apk ==== SIM Toolkit
Street.apk ==== Street View
SyncWizard.apk ==== Sony Ericsson Sync client wizard
timescapelegacywrapper.apk ==== Timescape legacy extension wrapper
TimescapeSpline.apk ==== Timescape
TimescapeWidget.apk ==== Timescape widget
touchnote.apk ==== Postcard
trackid.apk ==== TrackID
*UnsupportedHeadsetNotification.apk ==== com.sonyericsson.unsupportedheadsetnotifier
usersupport.apk ==== Support
VisualizationWallpapers.apk ==== Music Visualisation Wallpapers
WallpaperPicker.apk ==== Sony Ericsson wallpapers
widgetdigitalclock.apk ==== Digital Clock 1.14.0
widgetonoff.apk ==== Widgets On/Off
YouTube.apk ==== YouTube


CAN BE REPLACED
Browser.apk ==== Browser
Calendar.apk ==== Calendar
Conversations.apk ==== Messaging
Home.apk ==== Sony Ericsson Home
SemcDeskClock.apk ==== [ALARMS] Clock
SemcEmail.apk ==== Email
SemcGallery3D.apk ==== Gallery
SemcMusic.apk ==== Music
textinput-tng.apk ==== Default input