a-ak a-ha aaaa aaab aaac aaah aaal aaba aabb aabc aabh aabl aabt aaca aacb aacc aach aack aacl aact aaha aahk aahl aaka aala aalc aall aata aatc aatk aatt abaa abab abac abak abal abat abb- abba abbb abbt abca abcb abcc abch abcl abct abha abla abta ac-t acaa acab acac acat acba acbl acca accc acch acct acha achh achl acht acla aclc acta actc acth actl actt ahab ahac ahah ahal ahat ahha ahla ahta akaa akah akal akca akha akka alaa alac alak alal alat alb- alba albc alca alcc alha alk- alka alkb all- alla allh alll alta at-l at-t ataa atab atac atak atal atat atca atcc atch atck atcl atha athl atka atkt atla atta baaa baah baak baal baat baba babb bac- baca bacc bach back bact baha bahl baht bak- baka bakh bakl bakt bala balc balk ball balt bata batc bath batt bbbb bbch bblb bcaa bcat bcbc bcca bccc bccl bctc bhat bhca bhcc blaa blab blac blah blak blat blbt blkb btaa btcc btcl btla bttb caaa caab caac caah caal caat caba cac- caca cacc cach cack caha cahl caht caka cala calc calk call calt cat- cata catb catc cath catt cbac cbal cbat cbbc cbca cbcc cbcl cbct cbha cbhl cbka cbkl cblb cblc cbta cbtc cbtl ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl ccha cchl ccla cclc cctb cctc cctl cctt chaa chab chac chah chak chal chat chca chch chha chka chkb chkt chlc chlt chtt ckac ckat ckbc ckch ckck ckcl cktb clab clat cltb cltc ctab ctal ctba ctca ctta haab haak haal haat haba habt hack haha haht haka hakk hal- hala halb halk hall halt hata hatb hath hatt hbtl hcat hcbc hcca hccb hccc hcch hhaa hhat hhcl hhhh hhla hkcc hkcl hlah htab htcc kaaa kaab kaak kaal kaat kaba kabb kabc kacb kacc kach kacl kact kaha kahc kahl kaht kaka kakc kakh kakk kakt kala kalb kalc kalk kall kalt kat- kata katb katc kath katk katl katt kbaa kbab kbac kbak kbal kbat kbba kbbb kbbc kbbk kbbl kbbt kbca kbcb kbch kbck kbcl kbct kbhb kbhc kbhh kbhl kbht kbkb kbkk kbkl kbla kblb kbll kblt kbta kbtb kbtc kbtk kbtl kbtt kcaa kcab kcac kcah kcal kcat kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcct kcha kchh kchk kchl kckc kckk kckl kcla kclc kclh kclk kcll kclt kcta kctb kctc khab khac khak khal khat khbc khbt khca khcb khcc khch khck khct khhk khhl khka khkk khla khlc khll khtb khth khtk khtl khtt kkaa kkac kkal kkat kkba kkbb kkbl kkbt kkcb kkch kkck kkcl kkct kkha kkhb kkhh kkhk kkkk kklb kklc kklh kkll kktc kktk kktl klaa klab klac klak klal klat klbb klbc klbl klbt klca klcb klcc klch klck klcl klhb klhc klht klka klkc klkk klkl klla kllb kllc kllk kltc klth kltk kltt ktaa ktak ktal ktat ktba ktbb ktbc ktbl ktbt ktcc ktch ktck ktcl kthc kthh kthk ktht ktkb ktkc ktkk ktkt ktla ktlb ktlh ktlk ktlt kttc ktth kttk kttt laaa laac laak laal laat laba laca lacc lach lack lacl lact laha laht laka lakh lala lall lata latc lath latt lbcc lcac lcat lcbc lcca lccc lchc lctl lhhh lkab lkal llat llcc lllc llll ltac ltbl ltcc lttc taa- taal taat taba tabb tabc tabl taca tacc tach tack tacl tact taha taka takk takt tala talc talh talk tall tata tatb tath tatt tbca tbcb tbcc tbta tcca tccc tch- tcha tchh tctc thaa thak thal that thca thch thtb tkac tlac ttab ttbb tttt