-al a-a a-b a-c aaa aab aac aaf aah aak aal aas aau ab- aba abb abc abf abh abk abl abs abu ac- aca acb acc acf ach ack acl acs acu af- afa afb afc aff afh afk afl afs afu aha ahb ahc ahf ahh ahk ahl ahs ahu aka akb akc akh akk akl aks aku al- ala alb alc alf alh alk all als alu as- asa asb asc asf ash ask asl ass asu au- aua aub auc auf auh auk aul aus b-u baa bab bac baf bah bak bal bas bau bba bbb bbc bbf bbh bbk bbl bbs bbu bca bcb bcc bcf bch bck bcl bcs bcu bfa bfb bfc bff bfh bfl bfs bfu bha bhb bhc bhf bhh bhk bhl bhs bhu bka bkb bkc bkf bkk bkl bks bla blb blc blf blh blk bll bls blu bsa bsb bsc bsf bsh bsk bsl bss bsu bua bub buc buf buh buk bul bus buu c-- caa cab cac caf cah cak cal cas cau cba cbb cbc cbf cbh cbk cbl cbs cbu cca ccb ccc ccf cch cck ccl ccs ccu cfa cfb cfc cff cfh cfk cfl cfs cfu ch- cha chb chc chf chh chk chl chs chu cka ckb ckc ckh cks cl- cla clb clc clf clh clk cll cls clu csa csb csc csf csh csk csl css csu cua cub cuc cuf cuh cuk cul cus cuu faa fab fac faf fah fak fal fas fau fba fbb fbc fbf fbh fbk fbl fbs fbu fca fcb fcc fcf fck fcl fcs fcu ffa ffc fff ffh ffk ffl ffs ffu fha fhb fhc fhf fhh fhl fhs fka fkb fkc fkf fkk fkl fla flb flc flf fll fls flu fsa fsb fsc fsf fsh fsk fsl fss fsu fua fub fuf fuk ful fus fuu haa hab hac haf hah hak hal has hau hba hbb hbc hbf hbh hbk hbl hbs hbu hca hcb hcc hcf hch hck hcl hcs hfa hfb hfc hff hfh hfk hfl hfs hfu hha hhb hhc hhf hhh hhk hhl hhs hhu hka hkb hkf hkh hkk hkl hks hku hla hlb hlc hlf hlh hll hls hlu hsa hsb hsc hsf hsh hsk hsl hss hsu hua hub huc huf huh huk hul hus huu ka- kaa kab kac kaf kah kak kal kas kau kba kbb kbc kbf kbh kbk kbl kbs kbu kca kcb kcc kch kck kcl kcs kcu kfa kfc kff kfh kfs kfu kha khf khh khk khs khu kkb kkc kkh kkk kkl kks kku kl- kla klb klc klf klh kls klu ksa ksb ksc ksf ksh ksk ksl kss ksu kub kuc kuh kuk kul kus kuu la- laa lab lac laf lah lak lal las lau lba lbb lbc lbf lbh lbk lbl lbs lbu lca lcb lcc lcf lch lck lcl lcs lcu lfa lfb lfc lff lfh lfk lfl lfs lfu lha lhb lhc lhf lhh lhk lhs lhu lka lkb lkh lkl lks lla llb llc llf llk lll lls llu lsa lsb lsc lsf lsh lsk lsl lss lsu lua lub luc luf luh luk lul lus luu saa sab sac saf sah sak sal sas sau sba sbb sbc sbf sbh sbk sbl sbs sbu sca scb scc scf sch sck scl scs scu sfa sfb sfc sff sfh sfk sfl sfs sfu sh- sha shb shc shf shh shk shl shs shu sk- ska skb skc skf skh skk skl sks sku sla slb slc slf slh slk sll sls slu ss- ssa ssb ssc ssf ssh ssk ssl sss ssu sua sub suc suf suh suk sul sus suu ua- uaa uab uac uaf uah uak ual uas uau uba ubb ubc ubf ubh ubk ubl ubs ubu uca ucb ucc ucf uch uck ucl ucs ucu ufa ufc uff ufh ufl ufs ufu uha uhb uhc uhf uhh uhl uhs uhu uka ukb ukc ukf ukk ukl uku ula ulb ulc ulf ulk ull uls ulu usa usb usc usf ush usk usl uss usu uua uuc uus uuu

a-ak a-fu a-ha aaaa aaab aaac aaaf aaah aaal aaas aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aack aacl aacs aacu aafa aafb aafc aaff aafl aaha aahk aahl aahs 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 abch abcl abcs abff abha abhs abla abls abs- absa absf absl abss absu abua abuf abuk abul abus acaa acab acac acas acba acbl acca accc accf acch accs accu acfc acfl acfs acha achh achl achs achu acks acla aclc acls aclu acsa acsc acsl acss acu- acuf acul acus afaa afak afbs afca afcb afcc afch afcs afcu affa affc affs afhs afka afla aflc afsa afsb afsc afua afus ahab ahac ahah ahal ahas ahau ahfa ahha ahhs ahla ahlu ahsa ahss ahua ahus akaa akah akal akas akca akha akhs akka akku aksa aksu akua alaa alac alak alal alas alau alb- alba albc albs albu alca alcc alcs alfa alfs alha alhs alk- alka alkb alku all- alla allh alll alls allu alsa alsc alua aluf aluk alus asaa asab asac asaf asah asak asal asas asau asba asbu asc- asca ascb ascc asch ascl asfa asha ashk ashs ashu aska asks asla assa assc assh assk assl asss assu asub asus auaa auca auch aufc aufs auks aul- aula aulf aull auls aulu ausa aush ausu baaa baaf baah baak baal baas baba babb babs babu bac- baca bacc bach back bacs bafc baff baha bahl bahs bahu bak- baka bakh bakl baks baku bala balc balf balk ball bals balu basa basc basf bash bask bass basu bau- bauf bauk baul bbas bbau bbbb bbbs bbch bbfc bbhs bblb bbls bcaa bcas bcbc