a-ha aaaa aaab aaac aaah aaal aaba aabb aabc aabh aabl aabt aaca aacb aacc aach aacl aaco aact aaha aahl aala aalc aall aalo aaoo aata aatc aatt abaa abab abac abal abat abb- abba abbb abbo abbt abca abcb abcc abch abcl abct abha abho abla ablo aboa abob aboh abol aboo abot abta ac-t acaa acab acac acat acba acbl acca accc acch acco acct acha achh achl acho acht acla aclc acoa acoh acol acot acta actc acth actl acto actt ahab ahac ahah ahal ahat ahha ahla ahoa ahot ahta ahto alaa alac alal alao alat alb- alba albc albo alca alcc alco alha all- alla allh alll allo aloa aloc aloh alol aloo alot alta alto aoah aoba aoca aola aotc at-l at-t ataa atab atac atal atat atca atcc atch atcl atco atha athl atho atla atlo atob atoc atol atot atta atto baaa baah baal baat baba babb babo bac- baca bacc bach baco bact baha bahl baho baht bala balc ball balo balt baoh baol bata batc bath bato batt bbbb bbch bblb bcaa bcat bcbc bcca bccc bccl bctc bhao bhat bhca bhcc bhot blaa blab blac blah blat blbt blob bloc bloo blot boab boac boal boat boba bobb bobo boca boch boco boha bohl boho boht bola boll bolo bolt boob booc booh bool boot bota botb both boto bott btaa btcc btcl btla btob bttb c-bo caaa caab caac caah caal caat caba cabo cac- caca cacc cach caco caha cahl caht cala calc call calo calt caol cat- cata catb catc cath cato catt cbac cbal cbat cbbc cbca cbcc cbcl cbct cbha cbhl cblb cblc cbol cbot cbta cbtc cbtl ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl ccha cchl ccla cclc ccob ccoc cctb cctc cctl cctt chaa chab chac chah chal chao chat chca chch chha chlc chlt choc choh chol choo chto chtt clab clat clob cloo clot cltb cltc coal coat coba cobb cobh cobo coca coch coco coct coha coho col- cola colb coll colo colt coob cooh cool coot cota cotb cotc coth coto cott ctab ctal ctba ctca ctol ctot ctta haab haal haat haba habo habt haco haha haho haht hal- hala halb hall halo halt hata hatb hath hato hatt hboc hbtl hcat hcbc hcca hccb hccc hcch hhaa hhat hhcl hhhh hhla hlah hoac hoat hoba hobo hoca hoch hoha hohl hoho hol- hola holb holc holh holl holo holt hool hoot hota hotb hoth hotl hoto hott htab htcc htoh htol laaa laac laal laat laba labo laca lacc lach lacl laco lact laha laho laht lala lall lalo lata latc lath lato latt lbcc lcac lcat lcbc lcca lccc lchc lctl lcto lhhh llao llat llcc lllc llll lloa lloc lloo loac loat lob- loba lobb lobh lobo loca locc loch loco loha loho lola loll lolo loob looc lool loot lota loth lotl loto lott ltac ltbl ltcc lttc oall oath obal obba obbo obla obol obot ocab ocac ocal ocat ocbc occa occc occt ocha ocht oclc oct- octa octo ohal ohba ohcc ohho ohob ohoh ohta ohto olac olah olat olba olbo olca olcc olla ollo olot olta ooaa ooba ooha ooho oola oolo oooh oooo ootb otac otcl otha otho oto- otoh otoo otta otto taa- taal taat taba tabb tabc tabl tabo taca tacc tach tacl taco tact taha taho tala talc talh tall talo taoa tata tatb tath tato tatt tbca tbcb tbcc tbta tcca tccc tch- tcha tchh tcho tctc thaa thal thao that thca thch thoo thot thtb tlac tlco toab toal toat toba tobo tobt toca toch toco toho tol- tola toll tolo tolt tooa tooh tool toot tota totc toth toto tott ttab ttbb tttt