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a-be a-ha aaaa aaab aaae aaaf aaah aaam aaar aaba aabb aabh aabm aabt aaea aaem aafa aafb aaff aaha aama aamb aame aamr aara aare aarm aart aata aatf aatt abaa abab abae abaf abam abar abat abb- abba abbb abbe abbr abbt abee aber abet abff abha abhm abhr abma abmb abmt abra abta aeaf aeer aemt aer- aera aeta aetf aetr aett afaa afam afar afat afee afer afet affa afft afma afr- afra afre afrm afta afte ahab ahah aham ahar ahat ahem ahet ahfa ahha ahme ahra ahre ahrr ahta ahte amaa amae amah amam amar amat amb- amba ambe ambr amee amer amet amfm amfr amm- amma amme amra amta amte arab arae araf arah aram arar arat arba arbe arbh area aree aref areh arem aret arfa arfb arff arft arh- arma arme armh armm armt arr- arra arre arrh arrr arrt arta arte arth artr at-t ataa atab atae atar atat atea atee atef atem ater atfb atfe atha athe atm- atma atme atra atre atrm atta atte attr baaa baaf baah baam baar baat baba babb babe babm babr baer baff baft baha bahr baht bama bamb bame bamf bamm bar- bara barb bare barf barh barm barr bart bata bate batf bath batt bbbb bbeb bbet beaf beah beam bear beat beba bebb bebe beeb beef beem beer beet befa befe beff beft behm behr bema beme bera bere berm berr bert beta bete beth bett bfme bfta bftt bhar bhat bher bhet bhff bhra bhrt bmaa brab brae braf brah bram brat brea breb bree bref brem brer bret brfm brrm brrr btaa btaf btrt bttb eaaf eaba eabh eafb eama eame eara earb eare earh eart eata eate eath ebam ebba ebbr eber eeea eeee eefa eefe eera eeta eete eeth efab efbr efet effa efma eft- efta ehaa ehea eheh eher ehre ehte emae emam emar emba embe embr emer emet emma emme emra emre emta emte eraf eram erat erba erbb erbe ereb erem erer eret erft erma erme erra erre erta erth etah etam etat etbr etee etem eter etfa etfb etfe eth- etha ethe etra etre etrm etta ette faaa faah faam faba fabe fabm faeb faem fafa fafe faff faha fahr fama fame fara farb fare farm farr fart fata fate fatf fath fatt fbar feaf feam fear feat feba feeb feem feer feet fefe feff fehm fehr fema femb feme femm fera ferb fere ferm ferr fert feta fete feth fetr fett ffar ffee ffff ffrr fftf fmea frab frae fram frat frea free frem fret frta ftam ftea fter fthm haab haaf haam haar haat haba habe habt haem haet hafb hafe haff haft haha haht hama hame hamm hamr hamt hara hare harf harh harm harr hart hata hatb hate hath hatt hbar heaf