a-ha aaaa aaab aaac aaah aaal aaba aabb aabc aabh aabl aabt aaca aacb aacc aach aacl aact aagh aaha aahl aala aalc aall aata aatc aatt abaa abab abac abag abal abat abb- abba abbb abbt abca abcb abcc abch abcl abct abgl abha abla abta ac-t acaa acab acac acag acat acba acbl acca accc acch acct acga acha achh achl acht acla aclc acta actc actg acth actl actt agac agag agal agat agba agca agcc agct agga agha aght agla aglc agta ahab ahac ahah ahal ahat ahha ahla ahta alaa alac alag alal alat alb- alba albc alca alcc alg- alga alha all- alla allh alll alta at-l at-t ataa atab atac atal atat atca atcc atch atcl atha athl atla atta baaa baah baal baat baba babb bac- baca bacc bach bact baga bagg bagh bagt baha bahl baht bala balc ball balt bata batc bath batt bbbb bbch bbga bblb bcaa bcat bcbc bcbg bcca bccc bccl bctc bgca bght bhag bhat bhca bhcc blaa blab blac blag blah blat blbt btaa btcc btcl btla bttb caaa caab caac caah caal caat caba cabg cac- caca cacc cach caga cagg caha cahl caht cala calc call calt cat- cata catb catc cath catt cbac cbal cbat cbbc cbca cbcc cbcl cbct cbga cbgb cbha cbhl cblb cblc cbta cbtc cbtl ccaa ccab ccac ccag ccat ccba ccbc ccca cccb cccc cccl ccga ccgc ccgt ccha cchl ccla cclc cclg cctb cctc cctl cctt cgac cgal cgcc cgcg cgtl chaa chab chac chag chah chal chat chca chch chgb chha chlc chlt chtt clab clag clat cltb cltc ctab ctag ctal ctba ctca ctlg ctta gaal gaba gabb gabl gabt gach gaga gagg gaha gala gall galt gata gatc gath gatt gbag gc-c gcaa gcal gcat gcbc gccc gclc gctc ggbt ggcl gggg gghg ghat ghll glaa glab glat glbc glcc gtaa gtta haab haag haal haat haba habt hag- haga hagg hagh hagl haha haht hal- hala halb hall halt hata hatb hath hatt hbag hbtl hcat hcbc hcca hccb hccc hcch hcgh hgah hggc hgtc hhaa hhat hhcl hhgg hhhh hhla hlah htab htcc htgl laaa laac laag laal laat laba laca lacc lach lacl lact lag- laga lagg lagh laha laht lala lall lata latc lath latt lbcc lbgt lcac lcat lcbc lcca lccc lchc lctl lgbt lgca lgth lhhh llat llcc llgc lllc llll ltac ltbl ltcc ltcg lttc taa- taag taal taat taba tabb tabc tabl taca tacc tach tacl tact taga tagg tagh taha tala talc talh tall tata tatb tath tatt tbca tbcb tbcc tbta tcca tccc tcga tch- tcha tchh tctc tgcc tgtc thaa thag thal that thca thch thtb tlac tlgc ttab ttbb tttt