a-ak a-ha a-ok aaaa aaab aaac aaaf aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aack aacl aaco aafa aafb aafc aaff aafl aaha aahk aahl aaka aala aalc aall aalo aaoo abaa abab abac abaf abak abal abb- abba abbb abbo abca abcb abcc abcf abch abcl abff abha abho abla ablo aboa abob abof aboh abok abol aboo acaa acab acac acba acbl acca accc accf acch acco acfc acfl acha achh achl acho acla aclc acoa acoh acol afaa afak afao afca afcb afcc afch affa affc affo afka afla aflc afoa afol afoo ahab ahac ahah ahal ahfa ahha ahla ahoa ahok akaa akah akal akao akca akha akka akko aklo akok alaa alac alak alal alao alb- alba albc albo alca alcc alco alfa alha alk- alka alkb alko all- alla allh alll allo aloa aloc alof aloh alok alol aloo aoah aoba aoca aola baaa baaf baah baak baal baba babb babo bac- baca bacc bach back baco bafc baff bafo baha bahl baho bak- baka bakh bakl bako bala balc balf balk ball balo baoh baol bbbb bbch bbfc bblb bcaa bcbc bcca bccc bccl bcfc bcof bfca bffl bhao bhca bhcc bhff blaa blab blac blah blak blfc blkb blob bloc blok bloo boab boac boak boal boba bobb bobo boca boch bock boco bofa boff bofh boha bohl boho boka boko bola bolk boll bolo boob booc boof booh book bool c-bo caaa caab caac caaf caah caal caba cabf cabo cac- caca cacc cach cack caco cafa cafb cafc caff cafl caha cahl caka cala calc calf calk call calo caol cbac cbal cbbc cbca cbcc cbcl cbfb cbfc cbha cbhl cbka cbkl cbko cblb cblc cbol ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf cccl ccfa ccfc ccff ccfl ccha cchl ccla cclc ccob ccoc cfaa cfab cfac cfao cfbc cfca cfcb cfcf cfcl cfco cffb cfhk cfoa chaa chab chac chaf chah chak chal chao chca chch chfa chfc chha chka chkb chlc choc choh chok chol choo ckac ckbc ckch ckck ckcl ckco cklf ckoa ckob ckoc ckoo clab claf clob clof clok cloo coak coal coba cobb cobh cobo coca coch cock coco cofc coff coha coho cok- coka coko col- cola colb colk coll colo coob coof cooh cook cool f--k faaa faac faah faba fabo faca facc fach fack fafa fafc faff fafo faha fakh fako fala falc falk fall falo fbla fcab fcal fcba fcca fccf fcch ffcc ffff fhlb fkab flab flac flak flao flcl flob floc flok floo foaf foak foal foba foca foch fock foco fofo fola folc folk foll folo foof fook fool haab haaf haak haal haba habo hack haco hafb haff haha haho haka hakk hako hal- hala halb half halk hall halo hbfc hboc hcbc hcca hccb hccc hcch hcfa hcfc hfba hhaa hhcl hhhh hhla hhof hkcc hkcl hkfa hlah hoac hoba hobo hoca hoch hock hoff hoha hohl hoho hoka hoko hol- hola holb holc holh holk holl holo hoof hook hool k-lo kaaa kaab kaaf kaak kaal kaba kabb kabc kabf kabo kacb kacc kach kacl kaco kafa kafc kaff kaha kahc kahl kaho kaka kakc kakh kakk kako kala kalb kalc kalf kalk kall kalo kaoa kaoc kaok kaol kbaa kbab kbac kbak kbal kbba kbbb kbbc kbbf kbbk kbbl kbbo kbca kbcb kbch kbck kbcl kbco kbfb kbfc kbff kbfk kbfl kbfo kbhb kbhc kbhh kbhl kbkb kbkf kbkk kbkl kbko kbla kblb kblf kbll kblo kboa kbob kboc kbok kboo kcaa kcab kcac kcah kcal kcba kcbc kcbf kcbk kcbl kcca kccb kccc kcck kccl kcfa kcfb kcfc kcfh kcfl kcfo kcha kchf kchh kchk kchl kcho kckc kckf kckk kckl kcko kcla kclc kclf kclh kclk kcll kcob kcof kcoh kcol kfab kfac kfal kfbc kfbk kfcf kfch kfco kffa kffb kfff kffk kfhc kfhl kfka kfkb kfla kflb kflc kflf kfll kflo kfok kfoo khab khac khaf khak khal khao khbc khca khcb khcc khcf khch khck khhk khhl khho khka khkk khla khlc khll khlo khoa khob khoc khok khol kkaa kkac kkal kkba kkbb kkbl kkbo kkcb kkch kkck kkcl kkco kkha kkhb kkhh kkhk kkkk kklb kklc kklf kklh kkll kklo kkoa kkob kkoh kkol kkoo klaa klab klac klaf klak klal klbb klbc klbf klbl klca klcb klcc klch klck klcl klfa klfc klff klfh klhb klhc klka klkc klkk klkl klko klla kllb kllc kllk kloa klob kloc kloh klok klol kloo koab koac koak koal koba kobb kobc kobk kobo koca kocb kocf koch kock kofa kofc koff kofh kofk kofo koha kohh kohl koho koka kokb kokc kokf kokh kokk koko kola kolb kolc kolf kolk koll kolo koob kooc kook kool kooo laaa laac laak laal laba labo laca lacc lach lack lacl laco lafb lafc laff laha laho laka lakh lala lall lalo lbcc lcac lcbc lcca lccc lcfc lchc lfca lfcc lhhh lkab lkal llao llcc lllc llll lloa lloc lloo loac loaf lob- loba lobb lobh lobo loca locc loch lock loco lofa loff loha loho loka lokk loko lola loll lolo loob looc loof look lool oafc oafo oall obak obal obba obbo obkb obla obok obol ocab ocac ocak ocal ocbc occa occc ocfa ocha oclc ofah ofcl off- offa offc offh offo ofla ohal ohba ohcc ohho ohob ohoh ohok okak okha okka okko okla oklo okok okol olac olaf olah olba olbo olca olcc olfa olka olla ollo olof ooaa ooak ooba ooff ooha ooho oola oolo oooh oooo