eeee eery eete epee eper eppp eppy eprp epte erer eret erpe erre erye etee eter etre ette etty eyer eyet eyey eype eyre eyry eyte eyyr peep peer peet pepe per- pere perp perr pert pery pete petr pett pety peyr pper pppp pptt ppye pre- pree prep pret prey prtp prtr pter pyep pyet pype pypy pyr- pyre pyry pyte pytt reep reet repe repp repr rept repy rere rert rery rete retr rett rety reye rpet rrrr rtee rttp ryet rype rytt ryyt teer teet tepe tepp ter- tere terp terr tery tete tetr tett teye teyr tper tppp tppr tpte tptp tptr tre- tree tret trey trpe trpp trte trtr try- trye tryp tter tttt tyee tyer tyet typ- type typp typy tyr- tyre tyrr tyte tytt tyty yeep yeer yeet yepe yepp yere yerr yert yery yete yett yeye yeyr ytre yyyy