e-sir eeeee eerie efere eferi effer effie effry efrei eires eirie eisie ereis erere eresi eresy erier eries eriff erres errey erris erses erysy esere esiee esiri esref esser esses essey essie essse eyeis eyere eyers eyess eyrer eyres eyrie eyrir feere feers feese feier feiyr feres ferie ferr- ferre ferri ferry ferse ferys feser fesse fessy feyer feyre fieee fiefs fieri fiers fiery fifer fifes fifie firee firei firer fires firey firie firre firry firse fissi freei freer frees freir freis frere frese fress freyr frier fries friis frise friss fryer fryse fyers fyffe fyris ieiri ierei if-- ifere iiiee iiiii iiris iisir iisys iress iris- irise iriss irsee irssi is-is isisi issei isser issie issre isyss iyiyi iyyer reefe reefs reefy reere reese reesy refer reffe refis refry reiff reify reise reiss rere- reree reres rerir resee reses resse resye reyes reyff reyse ri-fi riefe riers riese riesi riess rifer riffs riffy riife riise rires ririe risee riser rises risse rsssf ryese ryffe ryrie rysse s-iii see-i seeif seeis seere seers seese sefer sefes seffe seifs seire seirs seiry seise seiss seref serer seres serfe serff serfs serie serif serir seris serre serri serry serse sersi serss serye seryf seser seses sesis sesse seyer seyfe seyfi seyre seyse sfeir sieff sieie siese sifie sifre siree sires siris sirse sirsi sirsy siser sises sisis sissi sissy ssies sssss syffe syres syrie syser sysfs sysse ye-es ye-ye yeees yeere yeers yeesy yeffe yeire yeres yerfi yerri yerse yes-r yeses yesse yesss yeyre yfere yfree yiffs yiffy yisse yseye