-ana -ane -ene a-be aaaa aaab aaae aaaf aaan aaar aaba aabb aaea aaen aafa aafb aaff aana aane aara aare abaa abab abae abaf aban abar abb- abba abbb abbe abbr abee aben aber abff abra aeaf aean aebn aeer aena aer- aera afaa afan afar afee afer affa afr- afra afre ana- anaa anab anae anan anar anba anbb anee anen aner anfa anna annb anne arab arae araf aran arar arba arbe area aree aref aren arfa arfb arff arna arne arr- arra arre arrr baaa baaf baan baar baba babb babe babr baer baff bana bane bann banr bar- bara barb bare barf barn barr bbbb bbeb bbfn beaf bean bear beba bebb bebe beeb beef been beer befa befe beff bena bene benn bera bere bern berr bner bnrr brab brae braf bran brea breb bree bref bren brer brna brrr eaaf eaba eafb eana eara earb eare earn eban ebba ebbr eben eber eeea eeee eefa eefe eefn eena eera efab efbr efen effa enab enan enb- enbn enbr enea enee ener enfb enna enne enra eraf eran erba erbb erbe ereb eren erer erna erne erra erre faaa faan faba fabe faeb fafa fafe faff fana fane fara farb fare farr fbar feaf fean fear feba feeb feen feer fefe feff fena fene fenn fera ferb fere fern ferr ffar ffee ffff ffrr fnar frab frae fran frea free fren naaa naab naan naar naba nabe nabf naea naef nafa nafe naff nan- nana nanb nane nann nara nare narf narn narr nbaa nbaf nbar nber nbfa neab neaf nean near neba nebb nebe nebn nebr neea neeb neef neen neer nefa nefe neff nena nene nera nere nerf nerr nfaa nfer nfff nfra nnnn nrab nren nrna raab raaf raan raba rabb rabe raef raen raer rafa rafe raff rana rane rann rara rarb rare rarf rbaf rbbb rbbr rea- reae reaf rean rear reba rebb rebe reeb reef reen refe reff refn refr rena rene renn rera rere rfae rfef rnaf rnbr rrna rrrr