-tree bbbee be-er bebel beber beebe beele beete beeth beher behet behle belee belep belet bellb belle belph beppe berbe bereh berel beret berhe berle berre berte berth betee betel beter bethe betle betre bett- bette bheel bheer bhele bleep bleer bleet blehr blere blerp blete breel breer breet brell brere breth brett brrrr btr-t ebber ebbet ebble ebell eberl ebert eeeee eeler eepee ehelp ehret eleet elele ellel eller ellet elpee elper epher epptb erbbe erber erept erere erpel erte ertel erter erthe etete ethel ether etree ettel etter ettle h-e-b he-he hebbe hebe- hebel heber heble 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 lebel leber lebet leell leere leert lehel lehre lelep lelle lepel leper lepet leppe lepre lept- lerer letbe lethe letre lette p-rep pebre peele peell peere peerl peert peete peeth pelee peleh peler pelet pelle pepee pepel peple peppe pept- perel perer peret perle perre perte perth petbe peter petr- petre pette phebe pheer phere phlpp phpbb phpht phtpp plebe pleep pleet plete prell prelp prepl prete pter- ptere ptprb ptpre ptprh ptprr ptprt rebbe rebel reber rebet reepe reere reerh reeth reher rehet relee relet relph relte repel repet reple reppe reprt rere- reree reret retee retel reter rethe rette rhett tbtbt teber tebet teele teell teepe teeth tehee tele- telep teler tell- telle tepee tepet teret terre tert- tetel teter tethe tetle tetr- tette thebe theeb theel theer thele thepe ther- there therl therp thete theth thre- three threp thret thttp tlell tlett tllbr tpler treer treet trele trepp trept trere trete trett ttttt