a-be a-ha aaaa aaab aaad aaae aaaf aaah aaar aaba aabb aabd aabh aabt aada aade aadt aaea aafa aafb aafd aaff aaha aara aard aare aart aata aatf aatt abaa abab abad abae abaf abar abat abb- abba abbb abbe abbr abbt abda abed abee aber abet abff abha abhr abra abta adaa adab adad adae adah adar adat adba adda addd adde addr adea adeb adee adeh ader adet adfa adha adhd adra adre adta aeaf aede aedt aeer aer- aera aerd aeta aetf aetr aett afaa afad afar afat afdb afee afer afet affa afft afr- afra afre afta afte ahab ahad ahah ahar ahat ahed ahet ahfa ahha ahra ahre ahrr ahta ahte arab arad arae araf arah arar arat arba arbe arbh arda arde ardf area ared aree aref areh aret arfa arfb arff arft arh- arr- arra arre arrh arrr arrt arta arte arth artr at-t ataa atab atad atae atar atat atdt atea ated atee atef ater atfb atfe atha athe atra atre atta atte attr baaa baad baaf baah baar baat baba babb babe babr bada badb badd bade badh badr baed baer baff baft baha bahr baht bar- bara barb bard bare barf barh barr bart bata bate batf bath batt bbad bbbb bbdd bbeb bbet bd-r bddh bead beaf beah bear beat beba bebb bebe beda bede beeb beed beef beer beet befa befe beff beft behr bera berd bere berr bert beta bete beth bett bfta bftt bhar bhat bher bhet bhff bhra bhrt brab brad brae braf brah brat brda brdt brea breb bred bree bref brer bret brrr btaa btaf btdt btrt bttb daab daad daae daar daba dabb dabt dada dade daeb daer dafa dafe daff daft daha dahe dara darb dard dare darf darr dart data date datr datt dbar dbtt dddd ddre dead deae deaf dear deba debe debt deda dedd dede deeb deed deef deer deet defe deff deft deha der- dera derb dere derf derr deta dete deth detr dfaf dfdt dfer dffa dfrf dftr dhaa dhad dhar dhat dhed dhee dher draa drab drad draf drar drat drba drda drea dred dree dref dreh dret drra dtaa dted dthd eaaf eaba eabh eada eadb eadd eafb eara earb eard eare earh eart eata eate eath ebba ebbr ebed eber edad edah edar edda edde ede- edea edeh eder edfa edra edta eede eeea eeee eefa eefe eera eeta eete eeth efab efbr efda efet effa eft- efta ehaa ehdd ehea eheh eher ehre ehte erad eraf erat erba erbb erbe erda erde erdf ereb ered erer eret erft erra erre erta erth etah etat etbr etee eter etfa etfb etfe eth- etha ethe etra etre etta ette faaa faad faah faba fabd fabe fada fadd fade faeb fafa fafe faff faha fahd fahr fara farb fard fare farr fart fata fate fatf fath fatt fbar fead feaf fear feat feba feda fede feeb feed feer feet fefe feff fehd fehr fera ferb ferd fere ferr fert feta fete feth fetr fett ffar ffee ffff ffrr fftf frab frad frae frat frea fred free fret frta ftea fter haab haad haaf haar haat haba habe habt hada hade hadf hadh haed haet hafb hafd hafe haff haft haha haht hara hard hare harf harh harr hart hata hatb hate hath hatt hbar hdda hdra hdtt head heaf heah hear heat hebb hebe hebr heda hedd hede heeb heed heef heer heet hefd hefe heft hehe hera herb herd here herr hert heta hete heth hett hfba hhaa hhat hhhh hrad hree hrta hrtb hrte htab htea htet htra httr raab raad raaf raat raba rabb rabe rada radd rade radh radr radt raed raef raer rafa rafe raff raft raha rahe rahr raht rara rarb rare rarf rata rate ratf rath ratt rbaf rbbb rbbr rder rdfa rea- read reae reaf rear reat reba rebb rebe reda redd rede redh redr reeb reed reef reet refd refe reff refr reft reha rehb rehe reht rera rerd rere rert reta retd rete reth retr rett rfae rfef rhae rhea rheb rhee rhet rrad rrah rrat rred rrrr rtbf rtdt rtee rtfb taa- taaf taar taat taba tabb tabe tada tade taer tafa tafe taff taft taha tahe tahr tara tarb tard tare tarf tarr tart tata tatb tate tath tatr tatt tbaf tbar tbrb tbta tddb tdff tdra tead tear teat teba teda tedd tede teed teef teer teet teff teft tehr ter- tera tere terf terr teta tete teth tetr tett tfae tfeb thaa thad thae thar that thdr the- thea theb thed thee thef ther thet thra thre thtb thtr traa trab trad trae traf trat tre- trea tred tree tref tret trfd trfr trra trte trtr ttab ttbb tter ttfa ttff tttt