-ana -ane -ene a-be aaaa aaab aaae aaan aaar aaba aabb aabt aaea aaen aana aane aara aare aart aata aatt abaa abab abae aban abar abat abb- abba abbb abbe abbr abbt abee aben aber abet abra abta aean aebn aeer aena aent aer- aera aeta aetn aetr aett ana- anaa anab anae anan anar anat anba anbb anee anen aner anet anna annb anne annt ant- anta ante antr antt arab arae aran arar arat arba arbe area aree aren aret arna arne arnt arr- arra arre arrr arrt arta arte artr at-t ataa atab atae atan atar atat atea atee aten ater atna atra atre atrn atta atte attn attr baaa baan baar baat baba babb babe babr baer bana bane bann banr bant bar- bara barb bare barn barr bart bata bate batn batt bbbb bbeb bbet bean bear beat beba bebb bebe beeb been beer beet bena bene benn bent bera bere bern berr bert beta bete bett bner bnet bnrr bnta brab brae bran brat brea breb bree bren brer bret brna brrr btaa btan bten btrt bttb eaba eana eara earb eare earn eart eata eate eban ebba ebbr eben eber eeea eeee eena eent eera eeta eete enab enan enat enb- enbn enbr enea enee ener enna enne enra ent- ente entr eran erat erba erbb erbe ereb eren erer eret erna erne erra erre erta etan etat etbr etee eten eter etna etne etnr etra etre etta ette ettn naaa naab naan naar naat naba nabe naea nan- nana nanb nane nann nant nara nare narn narr nart nata nate natt nbaa nbar nber neab nean near neat neba nebb nebe nebn nebr neea neeb neen neer neet nena nene nent nera nere nerr nert net- neta netb nete nett nnnn nntn nrab nren nrna nrta nter nttr raab raan raat raba rabb rabe raen raer rana rane rann rant rara rarb rare rata rate ratt rbbb rbbr rea- reae rean rear reat reba rebb rebe reeb reen reet rena rene renn rent rera rere rert reta rete retr rett rnbr rnnt rrat rrna rrrr rtan rtee taa- taan taar taat taba tabb tabe taen taer tana tane tann tant tara tarb tare tarn tarr tart tata tatb tate tatr tatt tbar tbrb tbta tean tear teat teba teen teer teet tena tenb tene tenn tent ter- tera tere tern terr teta tete tetr tett tneb traa trab trae tran trat tre- trea tree tren tret trna trra trte trtr ttab ttbb tten tter tttt