-al a-a a-b a-c aaa aab aac aaf aak aal aas aau ab- aba abb abc abf abk abl abs abu ac- aca acb acc acf ack acl acs acu af- afa afb afc aff afk afl afs afu aka akb akc akk akl aks aku al- ala alb alc alf alk all als alu as- asa asb asc asf ask asl ass asu au- aua aub auc auf auk aul aus b-u baa bab bac baf bak bal bas bau bba bbb bbc bbf bbk bbl bbs bbu bca bcb bcc bcf bck bcl bcs bcu bfa bfb bfc bff bfl bfs bfu bka bkb bkc bkf bkk bkl bks bla blb blc blf blk bll bls blu bsa bsb bsc bsf bsk bsl bss bsu bua bub buc buf buk bul bus buu c-- caa cab cac caf cak cal cas cau cba cbb cbc cbf cbk cbl cbs cbu cca ccb ccc ccf cck ccl ccs ccu cfa cfb cfc cff cfk cfl cfs cfu cka ckb ckc cks cl- cla clb clc clf clk cll cls clu csa csb csc csf csk csl css csu cua cub cuc cuf cuk cul cus cuu faa fab fac faf fak fal fas fau fba fbb fbc fbf fbk fbl fbs fbu fca fcb fcc fcf fck fcl fcs fcu ffa ffc fff ffk ffl ffs ffu fka fkb fkc fkf fkk fkl fla flb flc flf fll fls flu fsa fsb fsc fsf fsk fsl fss fsu fua fub fuf fuk ful fus fuu ka- kaa kab kac kaf kak kal kas kau kba kbb kbc kbf kbk kbl kbs kbu kca kcb kcc kck kcl kcs kcu kfa kfc kff kfs kfu kkb kkc kkk kkl kks kku kl- kla klb klc klf kls klu ksa ksb ksc ksf ksk ksl kss ksu kub kuc kuk kul kus kuu la- laa lab lac laf lak lal las lau lba lbb lbc lbf lbk lbl lbs lbu lca lcb lcc lcf lck lcl lcs lcu lfa lfb lfc lff lfk lfl lfs lfu lka lkb lkl lks lla llb llc llf llk lll lls llu lsa lsb lsc lsf lsk lsl lss lsu lua lub luc luf luk lul lus luu saa sab sac saf sak sal sas sau sba sbb sbc sbf sbk sbl sbs sbu sca scb scc scf sck scl scs scu sfa sfb sfc sff sfk sfl sfs sfu sk- ska skb skc skf skk skl sks sku sla slb slc slf slk sll sls slu ss- ssa ssb ssc ssf ssk ssl sss ssu sua sub suc suf suk sul sus suu ua- uaa uab uac uaf uak ual uas uau uba ubb ubc ubf ubk ubl ubs ubu uca ucb ucc ucf uck ucl ucs ucu ufa ufc uff ufl ufs ufu uka ukb ukc ukf ukk ukl uku ula ulb ulc ulf ulk ull uls ulu usa usb usc usf usk usl uss usu uua uuc uus uuu

a-ak a-fu aaaa aaab aaac aaaf aaal aaas aaba aabb aabc aabl aaca aacb aacc aacf aack aacl aacs aacu aafa aafb aafc aaff aafl aaka aaku aala aalc aall aals aalu aasa aasc aasf aass aasu aaus abaa abab abac abaf abak abal abas abau abb- abba abbb abbs abca abcb abcc abcf abcl abcs abff abla abls abs- absa absf absl abss absu abua abuf abuk abul abus acaa acab acac acas acba acbl acca accc accf accs accu acfc acfl acfs acks acla aclc acls aclu acsa acsc acsl acss acu- acuf acul acus afaa afak afbs afca afcb afcc afcs afcu affa affc affs afka afla aflc afsa afsb afsc afua afus akaa akal akas akca akka akku aksa aksu akua alaa alac alak alal alas alau alb- alba albc albs albu alca alcc alcs alfa alfs alk- alka alkb alku all- alla alll alls allu alsa alsc alua aluf aluk alus asaa asab asac asaf asak asal asas asau asba asbu asc- asca ascb ascc ascl asfa aska asks asla assa assc assk assl asss assu asub asus auaa auca aufc aufs auks aul- aula aulf aull auls aulu ausa ausu baaa baaf baak baal baas baba babb babs babu bac- baca bacc back bacs bafc baff bak- baka bakl baks baku bala balc balf balk ball bals balu basa basc basf bask bass basu bau- bauf bauk baul bbas bbau bbbb bbbs bbfc bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcfc bcsa bcsc bcsl bcss bcuc bfas bfca bfcs bffl bffs blaa blab blac blak blas blau blcu blfc blkb blls blss blub bluf blus bsaa bsac bsas bscs bsfa bsfc bsff bsfs bslc bssc bual buba bubb bubs bubu buca bucc buck bucs bucu bufc buff buka bukk buku bula bulb bulk bull buls bulu busa busc busk buss busu buus caaa caab caac caaf caal caas caba cabf cabs cabu cac- caca cacc cack cafa cafb cafc caff cafl cafs cafu caka cala calc calf calk call cals calu casa casb casc cask casl cass casu cauc cauf cauk caul caus cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbcu cbfb cbfc cbka cbkl cblb cblc cbsa cbsc cbus ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccl cccs cccu ccfa ccfc ccff ccfl ccla cclc ccls ccsa ccsf ccsl ccss ccuc ccus cfaa cfab cfac cfbc cfbs cfca cfcb cfcf cfcl cfcs cffb cfls cfsa cfsl ckac ckbc ckck ckcl ckcs cklf cksa cksb cksl clab claf clas clau clsa clsc club csaa csab csac csak csas csbf cscb cscc cscf cscl cscs csfc cska csks csla cslu cssa csua csuf csus cuau cub- cuba cubb cubs cuca cucc cuck cufa cufc cuff cuk- cuka cula culb culc culk cull culs cusa cusb cusk cuss cusu f--k faaa faac faas faba fabs fabu faca facc fack facs fafa fafc faff faku fala falc falk fall fals falu fasa fasc fass faul fbla fbus fcab fcal fcas fcba fcbs