eeeee eepee eieio eisie eisoo epees epesi epops epoxi eppes eppie epsio epsxe esiee esops espoo esses essex essie essse exies exoes expos iepe iiiee iiiii ioooi ioooo ippee ippei ipsi- ipsos is-is isepo isios isisi isope ispep issei issex issie ixopo oeppo oeses ooioo ooooo oopsi opepe opio- opose oppie oppos opsis osies ososo ospis osse- ossei osseo ossi- ossie ossip ossis ossos oxxio p-o-x peeps peese peise peixe peose pepee pepes pepoi pepos peppe peppi pepsi peses pesos pesse pexip piisi pipes pipex pipis pippi pippo pissi pixes pixie pixis po-po poise poope poopo poops poose popes popex popis popoi popop popos poppe poppi poppo poses posie posio posip posix posse poxes pppox ppxii s-iii see-i seeis seeps seese seeso seipp seise seiss seppi seppo sepsi seses sesis sesse sexes sexi- sexie sexis sexpo sexps sieie siepi siese sipes sipex sipoo sipos sippe sippi sippo sipsi sises sisis sissi sixes so-so soies soiie soope soosi sopie soppo sosei soses sosie soss- sossi spees speex speoi speos spies spise spiss spose sposi sposo ssies sssss xexex xoops xoxox xxiii xxxii xxxix