-tree bbbee be-er bebel beber beebe beele beete beeth beher behet behle belee belet bellb belle berbe bereh berel beret berhe berle berre berte berth betee betel beter bethe betle betre bett- bette bheel bheer bhele bleer bleet blehr blere blete breel breer breet brell brere breth brett brrrr btr-t ebber ebbet ebble ebell eberl ebert eeeee eeler ehret eleet elele ellel eller ellet erbbe erber erere erte ertel erter erthe etete ethel ether etree ettel etter ettle h-e-b he-he hebbe hebe- hebel heber heble heele heere heete hehte heler helle helre helte helth herel herle herre herte herth hertl heter hethe hette hheth hhhhh hrere hthrt htree lebel leber lebet leell leere leert lehel lehre lelle lerer letbe lethe letre lette rebbe rebel reber rebet reere reerh reeth reher rehet relee relet relte rere- reree reret retee retel reter rethe rette rhett tbtbt teber tebet teele teell teeth tehee tele- teler tell- telle teret terre tert- tetel teter tethe tetle tetr- tette thebe theeb theel theer thele ther- there therl thete theth thre- three thret tlell tlett tllbr treer treet trele trere trete trett ttttt