a-be a-ha aaaa aaab aaac aaae aaaf aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aace aacf aach aacr aact aaea aaec aafa aafb aafc aaff aaha aara aarc aare aart aata aatc aatf aatt abaa abab abac abae abaf abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abcf abch abcr abct abec abee aber abet abff abha abhr abra abrc abta ac-t acaa acab acac acae acar acat acba acca accc acce accf acch acct ace- acea acec aceh acer acet acfc acfe acft acha ache achh achr acht acr- acra acrc acre acrr acta actc acte actf acth actt aeac aeaf aecb aect aeer aer- aera aerc aeta aetc aetf aetr aett afaa afar afat afca afcb afcc afch afee afer afet affa affc afft afr- afra afrc afre afta aftc afte ahab ahac ahah ahar ahat ahet ahfa ahha ahra ahrc ahre ahrr ahta ahte arab arac arae araf arah arar arat arba arbe arbh arc- arca arce arch arct area arec aree aref areh aret arfa arfb arfc arff arft arh- arr- arra arrc arre arrh arrr arrt arta artc arte arth artr at-t ataa atab atac atae atar atat atca atcc atcf atch atcr atea atec atee atef ater atfb atfc atfe atha athe atra atrc atre atta atte attr baaa baaf baah baar baat baba babb babe babr bac- baca bacc bace bach bact baer bafc baff baft baha bahr baht bar- bara barb barc bare barf barh barr bart bata batc bate batf bath batt bbbb bbch bbeb bbet bbfc bbrc bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bcfc bche bcra bctc beaf beah bear beat beba bebb bebe beca bech beeb beef beer beet befa befe beff beft behr bera berc bere berr bert beta betc bete beth bett bfca bfta bftt bhar bhat bhca bhcc bher bhet bhff bhra bhrt brab brac brae braf brah brat brca brcb brce brea breb brec bree bref brer bret brfc brrr brtc btaa btaf btcc btec btfc btrc btrt bttb caaa caab caac caaf caah caat caba cabe cabf cac- caca cacc cace cach cacr caec caer cafa cafb cafc cafe caff caha cahe caht cara carb carc care carf carr cart cat- cata catb catc cate catf cath catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cbef cber cbet cbfb cbfc cbha cbre cbrh cbrt cbta cbtc cbtf ccaa ccab ccac ccaf ccar ccat ccba ccbc ccca cccb cccc cccf ccee ccfa ccfc ccff ccha cche cchr ccra ccrc ccre ccrf ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece cect ceeb ceec cef- cefa cefc cer- cera cerc cere cerf cert cet- ceta cete cfaa cfab cfac cfae cfar cfbc cfbr cfbt cfca cfcb cfcf cffb cffr cfra cfrb cfre cfrt cfta cftc cfte cfth cftr chaa chab chac chae chaf chah char chat chca chce chch chea cheb chec chee chef cheh cher chet chfa chfc chfr chha chra chrb chrc chrf chrr chrt chtr chtt crab crac craf crar crat crbc crca crcc crce crcr cre- crea creb crec cree creh cret crfc crrt crtc crtf ctab ctae ctba ctca ctcf ctec ctfc ctrc ctta eaaf eaba eabh eaca eacc each eaec eafb eara earb eare earh eart eata eate eath ebac ebba ebbc ebbr ebcc eber ebfc ecaa ecac ecar ecat ecbc ecbe ecca eccb eccc ecce ecct ecef ecfa ecfc ecfr echa eche echt ecra ecrc ecrf ecrr ect- ecta ectc ectf ecth eeca eeea eeee eefa eefe eera eerc eeta eetc eete eeth efab efbr efca efet effa eft- efta ehaa ehcc ehea eheh eher ehre ehte eraf erat erba erbb erbe erca ercc erce erch ereb erec erer eret erfc erft erhc erra errc erre erta erth etah etat etbc etbr etcc etch etec etee eter etfa etfb etfc etfe eth- etha ethe etra etre etta ette faaa faac faah faba fabe faca facc face fach fact faeb fafa fafc fafe faff faha fahr fara farb farc fare farr fart fata fatc fate fatf fath fatt fbar fcab fcar fcat fcba fcca fccf fcch fcra feaf fear feat feba fece fech fect feeb feer feet fefc fefe feff fehr fera ferb ferc fere ferr fert feta fete feth fetr fett ffar ffcc ffee ffff ffrr fftf frab frac frae frat frbc frcc frea free fret frfc frta ft-c ftea fter ftfc haab haaf haar haat haba habe habt hace haec haet hafb hafe haff haft haha haht hara harc hare harf harh harr hart hata hatb hate hath hatt hbar hbfc hcat hcbc hcca hccb hccc hcch hcfa hcfc heaf heah hear heat hebb hebe hebr heca hech hect heeb heef heer heet hefe heft hehe hera herb herc here herr hert heta hete heth hett hfba hfce hhaa hhat hhhh hrac hree hrfc hrrc hrta hrtb hrte htab htcc htea htet htfc htra httr raab raaf raat raba rabb rabe rac- raca racc race rach ract raec raef raer rafa rafc rafe raff raft raha rahe rahr raht rara rarb rare rarf rata rate ratf rath ratt rbaf rbbb rbbr rcac rcaf rcbc rccb rccc rcet rcfc rchb rctc rea- reac reae reaf rear reat reba rebb rebe reca recc rece rech recr rect reeb reef reet refe reff refr reft reha rehb rehe reht rera rere rert reta rete reth retr rett rfae rfef rffc rftc rhae rhce rhea rheb rhee rhet rrah rrat rrfc rrrr rtbf rtca rtcc rtce rtee rtfb rtfc taa- taaf taar taat taba tabb tabc tabe taca tacc tace tach tact taec taer tafa tafc tafe taff taft taha tahe tahr tara tarb tarc tare tarf tarr tart tata tatb tate tath tatr tatt tbaf tbar tbca tbcb tbcc tbce tbrb tbta tcca tccc tcfc tch- tcha tche tchh tchr tctc teac tear teat teba teca tech tecr tect teec teef teer teet tefc teff teft tehr ter- tera terc tere terf terr teta tete