e-sir eeeee eerie efere eferi effer effie efrei efuru efuse eires eirie eisie ereis erere eresi erier eries eriff erixx erres erris erses esere esiee esiri esref esser esses essex essie essse essue esure eurex eurre eurus euser exies feere feers feese feier feres ferie ferr- ferre ferri ferse ferus feser fesse feuer feurs ffxii fieee fiefs fieri fiers fieux fifer fifes fifie firee firei firer fires firie firre firse fissi fixer fixes fixie freei freer frees freex freir freis frere frese fress freur frier fries friis frise friss frixe fruux fu-fu fuffs furie furir furrs furse furus fusee fuser fuses fusi- fusie fusse fusus fuuse ieiri ierei if-- ifere ifius iiiee iiiii iiris iisir iress iris- irise iriss irisu irsee irssi is-is iseeu isisi issei isser issex issie issre issru issue issus issuu isure isuus iurie reefe reefs reere reese refer reffe refis refix refus reiff reise reiss rere- reree reres rerir resee reses resse resue resus reuer reuir reuis reuse reuss rexer rexes ri-fi riefe riers riese riesi riess rieux rifer riffs riife riise riisu rires ririe risee riser rises risse risus riuer rsssf ruere ruers ruffe ruffs rufi- rufie rufus ruiru ruses rusie russe russi s-iii see-i seeif seeis seere seers seese seesu sefer sefes seffe seifs seifu seire seirs seise seiss seref serer seres serfe serff serfs serie serif serir seris serre serri serse sersi serss serue seser seses sesis sesse sesue seuer seuir seure seuss sexer sexes sexi- sexie sexis sexus sfeir sieff sieie siese sieu sieur sifie sifre sifus siree sires sirex siris siriu sirse sirsi sirur siser sises sisis sissi sissu siuri siuru siusi sixer sixes ssies sssss suere suers suess sueur sufes suffe suffr suffs sufis sufri suixi surer sures surfs surif surir suris surre surui surur surus suser suses susie susse susus u-ies ufere ufeus uffie urris ursus ururi urusi usees users usies usire usses ussie usure ususi uusis uuuuu x-ris xeres xerif xerse xerus xexeu xexex xfers xfire xsuie xures xxiii xxxii xxxix