a-a a-b a-c a-t aaa aab aac aaf aak aas aat aau ab- aba abb abc abf abk abs abt abu ac- aca acb acc acf ack acs act acu af- afa afb afc aff afk afs aft afu aka akb akc akk aks aku as- asa asb asc asf ask ass ast asu at- ata atb atc atf ats att atu au- aua aub auc auf auk aus aut b-u baa bab bac baf bak bas bat bau bba bbb bbc bbf bbk bbs bbt bbu bca bcb bcc bcf bck bcs bct bcu bfa bfb bfc bff bfs bft bfu bka bkb bkc bkf bkk bks bkt bsa bsb bsc bsf bsk bss bst bsu bta btb btc btf btk bts btt btu bua bub buc buf buk bus but buu c-- caa cab cac caf cak cas cat cau cba cbb cbc cbf cbk cbs cbt cbu cca ccb ccc ccf cck ccs cct ccu cfa cfb cfc cff cfk cfs cft cfu cka ckb ckc cks ckt csa csb csc csf csk css cst csu cta ctb ctc ctf ctk cts ctt ctu cua cub cuc cuf cuk cus cut cuu faa fab fac faf fak fas fat fau fba fbb fbc fbf fbk fbs fbt fbu fca fcb fcc fcf fck fcs fct fcu ffa ffc fff ffk ffs fft ffu fka fkb fkc fkf fkk fkt fsa fsb fsc fsf fsk fss fst fsu fta ftb ftc ftf ftk fts ftt ftu fua fub fuf fuk fus fut fuu k-t ka- kaa kab kac kaf kak kas kat kau kba kbb kbc kbf kbk kbs kbu kca kcb kcc kck kcs kct kcu kfa kfc kff kfs kfu kkb kkc kkk kks kkt kku ksa ksb ksc ksf ksk kss kst ksu kta ktb ktc ktf ktk kts ktt ktu kub kuc kuk kus kut kuu saa sab sac saf sak sas sat sau sba sbb sbc sbf sbk sbs sbt sbu sca scb scc scf sck scs sct scu sfa sfb sfc sff sfk sfs sft sfu sk- ska skb skc skf skk sks skt sku ss- ssa ssb ssc ssf ssk sss sst ssu sta stb stc stf stk sts stt stu sua sub suc suf suk sus sut suu taa tab tac taf tak tas tat tau tba tbb tbc tbf tbk tbs tbt tbu tca tcb tcc tcf tck tcs tct tcu tfa tfb tfc tff tfk tfs tft tfu tka tkb tkc tkk tks tkt tsa tsb tsc tsf tsk tss tst tsu tta ttb ttc ttf ttk tts ttt ttu tua tub tuc tuf tuk tus tut tuu ua- uaa uab uac uaf uak uas uat uau uba ubb ubc ubf ubk ubs ubt ubu uca ucb ucc ucf uck ucs uct ucu ufa ufc uff ufs uft ufu uka ukb ukc ukf ukk uku usa usb usc usf usk uss ust usu uta utb utc utf utk uts utt utu uua uuc uus uut uuu

a-ak a-fu aaaa aaab aaac aaaf aaas aaba aabb aabc aabt aaca aacb aacc aacf aack aacs aact aacu aafa aafb aafc aaff aaka aaku aasa aasc aasf aass aast aasu aata aatc aatf aatk aatt aaus abaa abab abac abaf abak abas abat abau abb- abba abbb abbs abbt abca abcb abcc abcf abcs abct abff abs- absa absf abss absu abta abts abtu abua abuf abuk abus abut ac-t acaa acab acac acas acat acba acca accc accf accs acct accu acfc acfs acft acks acsa acsc acss acst acta actc actf acts actt actu acu- acuf acus acut afaa afak afat afbs afca afcb afcc afcs afcu affa affc affs afft afka afsa afsb afsc afst afta aftc afts afua afus akaa akas akca akka akku aksa akst aksu akua asaa asab asac asaf asak asas asat asau asba asbu asc- asca ascb ascc asct asfa aska asks askt assa assc assk asss asst assu asta astb astc asts asub asus at-t ataa atab atac atak atas atat atbs atca atcc atcf atck atcs atfb atfc atfs atka atkt atsb atsc atst atta atts attu atua atub atuc atuk atus auaa auca auct aufc aufs auks ausa aust ausu aut- auts baaa baaf baak baas baat baba babb babs babu bac- baca bacc back bacs bact bafc baff baft bak- baka baks bakt baku basa basc basf bask bass bast basu bata batc batf bats batt batu bau- bauf bauk bbas bbau bbbb bbbs bbfc bcaa bcas bcat bcbc bcbs bcca bccc bccs bcfc bcsa bcsc bcss bctc bcts bcuc bfas bfca bfcs bffs bfta bfts bftt bsaa bsac bsas bsat bscs bsfa bsfc bsff bsfs bskt bssc bsts btaa btaf btcc btcs btfc btss bttb btus buat buba bubb bubs bubu buca bucc buck bucs bucu bufc buff buka bukk buku busa busc busk buss bust busu but- buta buts butt buus caaa caab caac caaf caas caat caba cabf cabs cabu cac- caca cacc cack cafa cafb cafc caff cafs cafu caka casa casb casc cask cass cast casu cat- cata catb catc catf cats catt catu cauc cauf cauk caus caut cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbcu cbfb cbfc cbka cbsa cbsc cbta cbtc cbtf cbus ccaa ccab ccac ccaf ccas ccat ccba ccbc ccca cccb cccc cccf cccs cccu ccfa ccfc ccff ccsa ccsf ccss ccst cctb cctc cctt ccuc ccus ccut cfaa cfab cfac cfbc cfbs cfbt cfca cfcb cfcf cfcs cffb cfsa cfta cftc cftk ckac ckat ckbc ckck ckcs cksa cksb ckst cktb ckts csaa csab csac csak csas csat csbf cscb cscc cscf cscs csfc cska csks cssa csta cstc csts csua csuf csus ctab ctba ctbs ctca ctcf ctfc ctfs ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubs cuca cucc cuck cufa cufc cuff cuk- cuka cusa cusb cusk cuss cust cusu cut- cuta cutc cuts cutt f--k faaa faac faas faba fabs fabu faca facc fack facs fact fafa fafc faff fakt faku