a-ak a-ok aaaa aaab aaac aaaf aaas aaba aabb aabc aabt aaca aacb aacc aacf aack aaco aacs aact aafa aafb aafc aaff aaka aaoo aasa aasc aasf aass aast aata aatc aatf aatk aatt abaa abab abac abaf abak abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abcf abcs abct abff aboa abob abof abok aboo abos abot abs- absa absf abss abta abts ac-t acaa acab acac acas acat acba acca accc accf acco accs acct acfc acfs acft acks acoa acos acot acsa acsc acss acst acta actc actf acto acts actt afaa afak afao afat afbs afca afcb afcc afcs affa affc affo affs afft afka afoa afoo afsa afsb afsc afst afta aftc afts akaa akao akas akca akka akko akok akos akot aksa akst aoba aoca aocs aoks aoss aotc aotf asaa asab asac asaf asak asao asas asat asba asbo asc- asca ascb ascc asco asct asfa aska asko asks askt asob asoc asof asok asos asot assa assc assk asso asss asst asta astb astc asto asts at-t ataa atab atac atak atas atat atbs atca atcc atcf atck atco atcs atfb atfc atfs atka atkt atob atoc atof atok atos atot atsb atsc atst atta atto atts baaa baaf baak baas baat baba babb babo babs bac- baca bacc back baco bacs bact bafc baff bafo baft bak- baka bako baks bakt baos basa basc basf bask baso bass bast bata batc batf bato bats batt bbas bbbb bbbs bbfc bcaa bcas bcat bcbc bcbs bcca bccc bccs bcfc bcof bcos bcsa bcsc bcss bctc bcts bfas bfca bfcs bffs bfta bfts bftt boab boac boak boas boat boba bobb bobo bobs boca bock boco bocs bofa boff bofs boka boko boks boob booc boof book boos boot bosa bosc bosk boso boss bost bota botb boto bots bott bsaa bsac bsas bsat bscs bsfa bsfc bsff bsfs bskt bsos bssc bsts btaa btaf btcc btcs btfc btob btss bttb c-bo caaa caab caac caaf caas caat caba cabf cabo cabs cac- caca cacc cack caco cafa cafb cafc caff cafs caka caos casa casb casc cask caso cass cast cat- cata catb catc catf cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbfb cbfc cbka cbko cbot cbsa cbsc cbta cbtc cbtf ccaa ccab ccac ccaf ccas ccat ccba ccbc ccca cccb cccc cccf cccs ccfa ccfc ccff ccob ccoc ccsa ccsf ccss ccst cctb cctc cctt cfaa cfab cfac cfao cfbc cfbs cfbt cfca cfcb cfcf cfco cfcs cffb cfoa cfos cfsa cfta cftc cftk ckac ckat ckbc ckck ckco ckcs ckoa ckob ckoc ckoo ckos ckot cksa cksb ckso ckst cktb ckts coak coas coat coba cobb cobo cobs coca cock coco coct cofc coff cofs coft cok- coka coko coob coof cook coos coot cosa cosc coso coss cost cota cotb cotc coto cots cott csaa csab csac csak csao csas csat csbf cscb cscc cscf csco cscs csfc cska csks csob csos csot cssa csta cstc csto csts ctab ctba ctbs ctca ctcf ctfc ctfo ctfs ctos ctot ctsa ctsc ctss ctta ctts f--k faaa faac faas faba fabo fabs faca facc fack facs fact fafa fafc faff fafo fako fakt fasa fasc faso fass fast fata fatc fatf fato fats fatt fcab fcas fcat fcba fcbs fcca fccf fcot fcsc fcst fcto ffcc ffff ffsa ffss fftf fkab foaf foak foba fobs fobt foca fock foco focs fofo foof fook foos foot fosa fosb foso foss fost fota foto fots fott fsas fscb fscc fsck fsfo fssa fssc fssf fsta ft-c ftfc ftos ftsa k-os kaaa kaab kaaf kaak kaas kaat kaba kabb kabc kabf kabo kacb kacc kaco kacs kact kafa kafc kaff kafs kaka kakc kakk kako kaks kakt kaoa kaoc kaok kaos kas- kasa kasb kasc kasf kask kaso kass kast kat- kata katb katc katf katk kato kats katt kbaa kbab kbac kbak kbas kbat kbba kbbb kbbc kbbf kbbk kbbo kbbs kbbt kbca kbcb kbck kbco kbcs kbct kbfb kbfc kbff kbfk kbfo kbfs kbft kbkb kbkf kbkk kbko kboa kbob kboc kbok kboo kbos kbot kbsa kbsb kbsk kbso kbss kbst kbta kbtb kbtc kbtf kbtk kbto kbts kbtt kcaa kcab kcac kcas kcat kcba kcbc kcbf kcbk kcbs kcca kccb kccc kcck kcct kcfa kcfb kcfc kcfo kcft kckc kckf kckk kcko kcob kcof kcos kcot kcsa kcsb kcsc kcsf kcss kcst kcta kctb kctc kcto kfab kfac kfat kfbc kfbk kfbt kfcf kfco kfcs kffa kffb kfff kffk kfka kfkb kfok kfoo kfsa kfsk kfst kfta kftc kftk kftt kkaa kkac kkat kkba kkbb kkbo kkbs kkbt kkcb kkck kkco kkcs kkct kkfs kkft kkkk kkoa kkob kkoo kkot kksa kksf kkss kkst kktc kktk kkts koab koac koak koas koba kobb kobc kobk kobo kobs koca kocb kocf kock kocs koct kofa kofc koff kofk kofo koft koka kokb kokc kokf kokk koko koks koob kooc kook kooo koos koot kos- kosa kosb kosc kosf koso koss kost kota kotb kotc kotk koto kots kott ksab ksac ksaf ksak ksas ksat ksba ksbc ksbs ksca kscb ksck ksco kscs ksfa ksfb ksfc ksfo ksft kska kskb kskf kskk ksko ksks ksob ksoc ksof ksok ksoo ksos kssa ksso ksss ksst ksta kstb kstc kstk ksto ksts kstt ktaa ktak ktao ktas ktat ktba ktbb ktbc ktbt ktcc ktck ktco ktcs ktfb ktfc ktfo ktfs ktkb ktkc ktkk ktko ktks ktkt ktob ktoc ktok ktoo ktot ktsa ktsc ktsf ktso ktst kttc kttf kttk ktto ktts kttt oafc oafo oafs oaks oasc oass oast oats obak obas obba obbo obkb obok obos obot obss obst obts ocab ocac ocak ocas ocat ocbc occa occc occt ocfa ocks ocos ocsa oct- octa octo octs ofas off- offa offc offo offs ofst ofta okak okas okka okko okok okot oksa okso okta okto ooaa ooak ooba ooff oofs oooo ooos oosa oost ootb oots osaf osak osas osat osba osca oscc osco osfa