-al a-a a-b a-c a-t aaa aab aac aak aal aas aat aau ab- aba abb abc abk abl abs abt abu ac- aca acb acc ack acl acs act acu aka akb akc akk akl aks aku al- ala alb alc alk all als alt alu as- asa asb asc ask asl ass ast asu at- ata atb atc atl ats att atu au- aua aub auc auk aul aus aut b-u baa bab bac bak bal bas bat bau bba bbb bbc bbk bbl bbs bbt bbu bca bcb bcc bck bcl bcs bct bcu bka bkb bkc bkk bkl bks bkt bla blb blc blk bll bls blt blu bsa bsb bsc bsk bsl bss bst bsu bta btb btc btk btl bts btt btu bua bub buc buk bul bus but buu c-- caa cab cac cak cal cas cat cau cba cbb cbc cbk cbl cbs cbt cbu cca ccb ccc cck ccl ccs cct ccu cka ckb ckc cks ckt cl- cla clb clc clk cll cls clt clu csa csb csc csk csl css cst csu cta ctb ctc ctk ctl cts ctt ctu cua cub cuc cuk cul cus cut cuu k-t ka- kaa kab kac kak kal kas kat kau kba kbb kbc kbk kbl kbs kbu kca kcb kcc kck kcl kcs kct kcu kkb kkc kkk kkl kks kkt kku kl- kla klb klc kls klt klu ksa ksb ksc ksk ksl kss kst ksu kta ktb ktc ktk ktl kts ktt ktu kub kuc kuk kul kus kut kuu la- laa lab lac lak lal las lat lau lba lbb lbc lbk lbl lbs lbt lbu lca lcb lcc lck lcl lcs lct lcu lka lkb lkl lks lkt lla llb llc llk lll lls llt llu lsa lsb lsc lsk lsl lss lst lsu lta ltb ltc ltk ltl lts ltt ltu lua lub luc luk lul lus lut luu saa sab sac sak sal sas sat sau sba sbb sbc sbk sbl sbs sbt sbu sca scb scc sck scl scs sct scu sk- ska skb skc skk skl sks skt sku sla slb slc slk sll sls slt slu ss- ssa ssb ssc ssk ssl sss sst ssu sta stb stc stk stl sts stt stu sua sub suc suk sul sus sut suu taa tab tac tak tal tas tat tau tba tbb tbc tbk tbl tbs tbt tbu tca tcb tcc tck tcl tcs tct tcu tka tkb tkc tkk tkl tks tkt tla tlc tlk tll tls tlt tlu tsa tsb tsc tsk tsl tss tst tsu tta ttb ttc ttk ttl tts ttt ttu tua tub tuc tuk tul tus tut tuu ua- uaa uab uac uak ual uas uat uau uba ubb ubc ubk ubl ubs ubt ubu uca ucb ucc uck ucl ucs uct ucu uka ukb ukc ukk ukl uku ula ulb ulc ulk ull uls ult ulu usa usb usc usk usl uss ust usu uta utb utc utk utl uts utt utu uua uuc uus uut uuu

a-ak aaaa aaab aaac aaal aaas aaba aabb aabc aabl aabt aaca aacb aacc aack aacl aacs aact aacu aaka aaku aala aalc aall aals aalu aasa aasc aass aast aasu aata aatc aatk aatt aaus abaa abab abac abak abal abas abat abau abb- abba abbb abbs abbt abca abcb abcc abcl abcs abct abla abls abs- absa absl abss absu abta abts abtu abua abuk abul abus abut ac-t acaa acab acac acas acat acba acbl acca accc accs acct accu acks acla aclc acls aclu acsa acsc acsl acss acst acta actc actl acts actt actu acu- acul acus acut akaa akal akas akca akka akku aksa akst aksu akua alaa alac alak alal alas alat alau alb- alba albc albs albu alca alcc alcs alk- alka alkb alku all- alla alll alls allu alsa alsc alst alta alts alua aluk alus alut asaa asab asac asak asal asas asat asau asba asbu asc- asca ascb ascc ascl asct aska asks askt asla assa assc assk assl asss asst assu asta astb astc astl asts asub asus at-l at-t ataa atab atac atak atal atas atat atbs atca atcc atck atcl atcs atka atkt atla atls atsb atsc atst atta atts attu atua atub atuc atuk atul atus auaa auca auct auks aul- aula aull auls ault aulu ausa aust ausu aut- auts baaa baak baal baas baat baba babb babs babu bac- baca bacc back bacs bact bak- baka bakl baks bakt baku bala balc balk ball bals balt balu basa basc bask bass bast basu bata batc bats batt batu bau- bauk baul bbas bbau bbbb bbbs bblb bbls bcaa bcas bcat bcbc bcbs bcca bccc bccl bccs bcsa bcsc bcsl bcss bctc bcts bcuc blaa blab blac blak blas blat blau blbt blcu blkb blls blss blst blts blub blus blut bsaa bsac bsas bsat bscs bskt bslc bssc bsts btaa btcc btcl btcs btla btss bttb btus bual buat buba bubb bubs bubu buca bucc buck bucs bucu buka bukk buku bula bulb bulk bull buls bult bulu busa busc busk buss bust busu but- buta buts butt buus caaa caab caac caal caas caat caba cabs cabu cac- caca cacc cack caka cala calc calk call cals calt calu casa casb casc cask casl cass cast casu cat- cata catb catc cats catt catu cauc cauk caul caus caut cbac cbal cbat cbbc cbbs cbca cbcc cbcl cbcs cbct cbcu cbka cbkl cblb cblc cbsa cbsc cbta cbtc cbtl cbus ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccl cccs cccu ccla cclc ccls ccsa ccsl ccss ccst cctb cctc cctl cctt ccuc ccus ccut ckac ckat ckbc ckck ckcl ckcs cksa cksb cksl ckst cktb ckts clab clas clat clau clsa clsc cltb cltc clts club clut csaa csab csac csak csas csat cscb cscc cscl cscs cska csks csla cslu cssa csta cstc csts csua csus ctab