eeeee eepee eevee epopt epote etete etext evete evett eveve evote exept exopt oeppo ooooo oovoo opepe opovo opto- optot optto ototo ottov ovett p-o-x peete peeve pepee peppe pept- pepto pette petto po-po poete poope poopo poote poove popet popex popop popov poppe poppo potee potoo potop potpe potte potto povet povvo pppox pveto t-pop t-top teepe tepee tepet teppo tetex tetov tette tevet tevot texte toeto topee topet topo- topot toppo topto totex toto- totoe totoo totop totte tovet tovex toxo- ttttt v-pop veeve vetex vette vetto veveo votto voxeo xetex xexex xotox xoxox xtext