e-sir eeeee eepee eerie efere eferi effer effie efrei eipri eires eirie eisie epees epesi eppes eppie epsxe ereis erere eresi erier eries eriff erixx erpis erres erris erses esere esiee esiri esp-r esper espre esref esser esses essex essie essse exies exper feere feers feese feier feres ferie ferr- ferre ferri ferse feser fesse fexpr ffxii fieee fiefs fieri fiers fifer fifes fifie firee firei firer fires firie firre firse fissi fixer fixes fixie freei freep freer frees freex freir freis frere frese fress frier fries friis fripp frise friss frixe ieiri iepe ieper ierei if-- ifere iiiee iiiii iiris iisir iperf ippee ippei iprex ipsi- iress iris- irise iriss irpex irrep irsee irssi is-is isisi ispep issei isser issex issie issre p-rep peeps peere peeri peers peese peire peirs peise peixe pepee pepes peppe peppi pepsi perer peres perfs peri- perie peris perps perre perri perse persi persp peses pesse pexip piere pieri piers piiri piisi piper pipes pipex pipis pippi pipri pires pirex pirie pirix pirre pirri pissi pixes pixie pixis ppers ppxii preef prees preff prefs preie preif preis preps prese press prief prier pries prife priis prise priss reefe reefs reepe reere reese refer reffe refis refix reiff reise reiss reppe repps rere- reree reres rerip rerir resee reses resip resse rexer rexes ri-fi riefe rieps riers riese riesi riess rifer riffs riife riise riper ripes rippe rires ririe risee riser rises risps risse rissp rperf rripe rrsps rsssf s-iii see-i seeif seeis seeps seere seers seese sefer sefes seffe seifs seipp seire seirs seise seiss seppi sepsi seref serer seres serfe serff serfs serie serif serir seris serpe serps serre serri serse sersi serss seser seses sesis sesse sexer sexes sexi- sexie sexis sexps sfeir sieff sieie siepi siese sifie sifre siper sipes sipex sippe sippi sipsi siree sires sirex siris sirse sirsi siser sises sisis sissi sixer sixes speer spees speex speir spere speri sperr spier spies spife spiff spir- spire spirr spise spiss spree spres ssies sssss x-ris xeres xerif xerse xexex xfers xfire xxiii xxxii xxxix