e-sir eeeee eepee eerie eipri eires eirie eisie epees epesi eppes eppie epsxe ereis erere eresi erier eries erixx erpis erres erris erses esere esiee esiri esp-r esper espre esser esses essex essie essse exies exper ieiri iepe ieper ierei iiiee iiiii iiris iisir 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 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 prees preie preis preps prese press prier pries priis prise priss reepe reere reese reise reiss reppe repps rere- reree reres rerip rerir resee reses resip resse rexer rexes rieps riers riese riesi riess riise riper ripes rippe rires ririe risee riser rises risps risse rissp rripe rrsps s-iii see-i seeis seeps seere seers seese seipp seire seirs seise seiss seppi sepsi serer seres serie serir seris serpe serps serre serri serse sersi serss seser seses sesis sesse sexer sexes sexi- sexie sexis sexps sieie siepi siese 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 spir- spire spirr spise spiss spree spres ssies sssss x-ris xeres xerse xexex xxiii xxxii xxxix