-tree bbbee be-er beber beche beebe beech beete beeth behem beher behet bembe bemer bemet berbe berec bereh beret berhe berme berre berte berth betch betee beter bethe betre bett- bette bheer bhtec brece brech breem breer breet brehm breme bremm brere breth brett brmmm brrrr btc-e btech btr-t c-met c-tec ccccc ccett cebec ceber cech ceche cecht ceere cemec cemre cerc- cerce cerec cerer ceret cerre certe cetme cette chech cheer cheet chehr chem- chere chert chete cheth chett chher cmere crebe crece creem creer creme crete ctree cttee e-hrm ebber ebbet ebert echem echte ecthr eeeee eembc eemct eetch ehret embee ember emcee emeer emere emert emeth emmer emmet emtec emtee erbbe erber erech erect erem- erere ermth erte erter erthe etche etete ethem ether etree etter h-e-b he-he hebbe hebe- heber heche hecht hect- hecte heeme heere heete hehte hemer hemet hemme herce herem herre herte herth hetch heter hethe hette hheth hhhhh hmeec hmere hmmer hrere hthrt htree mbcet mbebe mbere mbret mcbee mcree mebbe meche meece meech meere meete meeth meher mehte membe memer merce merch merer meret merre merte merth metch meter meth- methe metr- metre mette mheer mhere mmccc mmhmm mmmcc mmmmm mrmet mt-tc mt-te mt-th mt-tm mt-tr mt-tt mtree rebbe rebec reber rebet recce recet reche recht rect- recte reece reech reeme reere reerh reeth rehem reher rehet remee remer remet rere- reree reret retch retee retem reter rethe rette rheem rheme rhett tbtbt teber tebet tecch teche tectb teech teeme teeth tehee tembe terce terem teret terme terre tert- tetch teter tethe tetr- tette thebe thec- thect theeb theer theme ther- there therm thete theth thre- three thret treer treet treme trere trete trett ttttt