-tree eeeee eeler eepee ehelp ehret eleet elele ellel eller ellet elpee elper epher erept erere erpel erte ertel erter erthe etete ethel ether etree ettel etter ettle he-he heele heepe heere heete hehte heler helle helpe helpt helre helte helth heper hepet hept- herel herle herpt herre herte herth hertl heter hethe hette hheth hhhhh hprtl hrere hrrep hthrt htree httpr leell leere leert lehel lehre lelep lelle lepel leper lepet leppe lepre lept- lerer lethe letre lette p-rep peele peell peere peerl peert peete peeth pelee peleh peler pelet pelle pepee pepel peple peppe pept- perel perer peret perle perre perte perth peter petr- petre pette pheer phere phlpp phpht phtpp pleep pleet plete prell prelp prepl prete pter- ptere ptpre ptprh ptprr ptprt reepe reere reerh reeth reher rehet relee relet relph relte repel repet reple reppe reprt rere- reree reret retee retel reter rethe rette rhett teele teell teepe teeth tehee tele- telep teler tell- telle tepee tepet teret terre tert- tetel teter tethe tetle tetr- tette theel theer thele thepe ther- there therl therp thete theth thre- three threp thret thttp tlell tlett tpler treer treet trele trepp trept trere trete trett ttttt