a-be a-ha aaaa aaab aaac aaae aaah aaal aaba aabb aabc aabh aabl aabt aaca aacb aacc aace aach aacl aact aaea aaec aaha aahl aala aalc aale aall aata aatc aatt abaa abab abac abae abal abat abb- abba abbb abbe abbt abca abcb abcc abch abcl abct abec abee abel abet abha abla able abta ac-t acaa acab acac acae acat acba acbl acca accc acce acch acct ace- acea acec aceh acel acet acha ache achh achl acht acla aclc acle acta actc acte acth actl actt aeac aecb aecl aect aela aelc aeta aetc aett ahab ahac ahah ahal ahat ahel ahet ahha ahla ahle ahta ahte alaa alac alae alal alat alb- alba albc albe alca alcc alce alea alec alee aleh alet alha all- alla alle allh alll alta alte at-l at-t ataa atab atac atae atal atat atca atcc atch atcl atea atec atee atel atha athe athl atla atle atta atte baaa baah baal baat baba babb babe bac- baca bacc bace bach bact bael baha bahl baht bala balc bale ball balt bata batc bate bath batt bbbb bbch bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bche bctc beah beal beat beba bebb bebe beca bech beeb beel beet bela bele bell belt beta betc bete beth bett bhat bhca bhcc bhel bhet blaa blab blac blae blah blat blbt blea bleb blee bleh blet btaa btcc btcl btec btla bttb caaa caab caac caah caal caat caba cabe cac- caca cacc cace cach caec caha cahe cahl caht cala calc cale call calt cat- cata catb catc cate cath catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cbha cbhl cblb cblc cbta cbtc cbtl ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl ccee ccel ccha cche cchl ccla cclc cctb cctc cctl cctt ceac ceal ceat ceba cec- ceca cece cect ceeb ceec ceel cehl cel- cela celc cele cell celt cet- ceta cete chaa chab chac chae chah chal chat chca chce chch chea cheb chec chee cheh chel chet chha chlc chlt chtt clab clat clea clec clee clet cltb cltc ctab ctae ctal ctba ctca ctec ctle ctta e-cl e-la eaba eabh eaca eacc each eaec eala ealc eale eata eate eath ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct echa eche echl echt ecla eclt ect- ecta ectc ecth eeca eeea eeee eele eeta eetc eete eeth ehaa ehcc ehea eheh ehel ehle ehte el-b elab elac elah elal elat elba elbe elca elcb elce elch elea elec elee eleh elet ella elle elta elte etah etal etat etbc etcc etch etec etee etel eth- etha ethe etla etta ette haab haal haat haba habe habt hace haec haet haha haht hal- hala halb hale hall halt hata hatb hate hath hatt hbtl hcat hcbc hcca hccb hccc hcch heah heal heat hebb hebe heca hech hect heeb heel heet hehe hela hele hell helt heta hete heth hett hhaa hhat hhcl hhhh hhla hlah htab htcc htea htet laaa laac laal laat laba labe laca lacc lace lach lacl lact lael laet laha lahe laht lala lale lall lata latc late lath latt lbcc lcac lcat lcbc lcca lccc lcce lchc lctl leaa leah leal leat leba leca lece lech lect leea leel leet lehe lela lele lell leta lete leth lett lhec lhee lhhh llat llcc llet lllc llll ltac ltae ltbl ltcc ltee lttc taa- taal taat taba tabb tabc tabe tabl taca tacc tace tach tacl tact taec tael taha tahe tala talc tale talh tall tata tatb tate tath tatt tbca tbcb tbcc tbce tbta tcca tccc tch- tcha tche tchh tctc teac teal teat teba teca tech tecl tect teec teel teet tel- tela telc tele tell telt teta tete teth tett thaa thae thal that thca thch the- thea theb thec thee thel thet thtb tlac ttab ttbb tttt