eeee eele eete el-p elee eler elet elle elpe elte epee eper eple epll eppp eprp epte erel erer eret erle erll erpe erre ertl etee etel eter etre ette leel leep leer leet lele lell lepe lepp lept lere lerp lert lete lett llet llll lppl lprp lrrr ltee lttr peel peep peer peet pel- pele pell pelt pepe per- pere perl perp perr pert pete petr pett ple- plee plet plpp pltt pper pple pppp pptt pre- pree prel prep pret prle prlr prtp prtr pter reel reep reet rele rell relp relt repe repl repp repr rept rere rert rete retr rett rlee rpet rrle rrrr rtee rtle rtlt rttp teel teer teet tel- tele tell telt tepe tepp ter- tere terp terr tete tetr tett tper tppp tppr tpte tptp tptr tre- tree tret trpe trpp trte trtr tter tttt