eeee eele eely eiei eile el-p elee elex eley elie elil elix elle elli elly elpe elpi epee epi- epie epil epip epix eple epll eply eppp eppy epxp epyx exel exxy eyey eyle eype eypx ieie iele iiie iiii ile- ilex ilie ill- ille illi illp illy ilpe ilxx ipex ipie ipil ipix ippy ipxe ixil ixxi leel leep leie leil leix lele leli lell lely lepe lepi lepp lexi lexx lexy leye liel liep liii lile lili lill lily lip- lipe lipi lipl lipp lipy lixi lixy liyl llll lppl lxii lxxi lxxx lyle lyly lype lyx- peel peep peil peip pel- pele pell pepe pepi peyl piel piep piip pil- pile pili pill pily pipe pipi pipp pipy pixl pixx pixy piye ple- plee plei plex pley plie plip plpp ppie pple ppli pppp ppye pyep pyl- pyle pyli pyll pype pypy xely xexe xiii xil- xili xill xilp xipe xixi xlii xlix xlpe xxii xxix xxxi xxxx xxxy xyl- yeel yeep yeie yeii yele yeli yell yelp yepe yepp yeye yeyi yile yili yill yipe ylex ylle ylli yyyy