-al a-a a-b a-c aaa aab aac aah aal aar aas aau ab- aba abb abc abh abl abr abs abu ac- aca acb acc ach acl acr acs acu aha ahb ahc ahh ahl ahr ahs ahu al- ala alb alc alh all alr als alu ar- ara arb arc arh arl arr ars aru as- asa asb asc ash asl asr ass asu au- aua aub auc auh aul aur aus b-u baa bab bac bah bal bar bas bau bba bbb bbc bbh bbl bbr bbs bbu bca bcb bcc bch bcl bcr bcs bcu bha bhb bhc bhh bhl bhr bhs bhu bla blb blc blh bll blr bls blu bra brb brh brl brr brs bru bsa bsb bsc bsh bsl bsr bss bsu bua bub buc buh bul bur bus buu c-- caa cab cac cah cal car cas cau cba cbb cbc cbh cbl cbr cbs cbu cca ccb ccc cch ccl ccr ccs ccu ch- cha chb chc chh chl chr chs chu cl- cla clb clc clh cll clr cls clu cra crb crc crh crl crr crs cru csa csb csc csh csl csr css csu cua cub cuc cuh cul cur cus cuu haa hab hac hah hal har has hau hba hbb hbc hbh hbl hbr hbs hbu hca hcb hcc hch hcl hcr hcs hha hhb hhc hhh hhl hhr hhs hhu hla hlb hlc hlh hll hlr hls hlu hr- hra hrb hrc hrh hrl hrr hrs hru hsa hsb hsc hsh hsl hsr hss hsu hua hub huc huh hul hur hus huu la- laa lab lac lah lal lar las lau lba lbb lbc lbh lbl lbr lbs lbu lca lcb lcc lch lcl lcr lcs lcu lha lhb lhc lhh lhr lhs lhu lla llb llc lll llr lls llu lra lrb lrc lrh lrr lrs lru lsa lsb lsc lsh lsl lsr lss lsu lua lub luc luh lul lur lus luu ra- raa rab rac rah ral rar ras rau rba rbb rbc rbh rbl rbr rbs rbu rca rcb rcc rch rcl rcr rcs rcu rh- rha rhb rhc rhh rhl rhr rhs rhu rla rlc rlh rll rlr rls rlu rra rrb rrc rrh rrl rrr rrs rru rsa rsb rsc rsh rsl rsr rss rsu rua rub ruc ruh rur rus ruu saa sab sac sah sal sar sas sau sba sbb sbc sbh sbl sbr sbs sbu sca scb scc sch scl scr scs scu sh- sha shb shc shh shl shr shs shu sla slb slc slh sll slr sls slu sr- sra srb src srh srl srr srs ss- ssa ssb ssc ssh ssl ssr sss ssu sua sub suc suh sul sur sus suu ua- uaa uab uac uah ual uar uas uau uba ubb ubc ubh ubl ubr ubs ubu uca ucb ucc uch ucl ucr ucs ucu uha uhb uhc uhh uhl uhr uhs uhu ula ulb ulc ull ulr uls ulu ur- ura urb urc url urr urs uru usa usb usc ush usl usr uss usu uua uuc uur uus uuu

a-ha aaaa aaab aaac aaah aaal aaar aaas aaba aabb aabc aabh aabl aaca aacb aacc aach aacl aacr aacs aacu aaha aahl aahs aala aalc aall aals aalu aara aarc aars aaru aasa aasc aass aasu aaus abaa abab abac abal abar abas abau abb- abba abbb abbr abbs abca abcb abcc abch abcl abcr abcs abha abhr abhs abla abls abra abrc abrs abs- absa absl abss absu abua abul abus acaa acab acac acar acas acba acbl acca accc acch accs accu acha achh achl achr achs achu acla aclc aclr acls aclu acr- acra acrc acrr acrs acsa acsc acsl acss acu- acul acur acus ahab ahac ahah ahal ahar ahas ahau ahha ahhs ahla ahlu ahra ahrc ahrr ahrs ahsa ahss ahua ahus alaa alac alal alar alas alau alb- alba albc albs albu alca alcc alcs alha alhs all- alla allh alll allr alls allu alsa alsc alua alur alus arab arac arah aral arar aras arau arba arbh arbs arc- arca arch arcs arh- arhs arla arr- arra arrc arrh arrr arrs arru ars- arsa arsc arsu arua arub arul asaa asab asac asah asal asar asas asau asba asbu asc- asca ascb ascc asch ascl ascr asha ashs ashu asla aslr asra asrc asrs asru assa assc assh assl assr asss assu asub asur asus auaa auca auch aul- aula aull auls aulu aur- aura ausa aush ausu baaa baah baal baar baas baba babb babr babs babu bac- baca bacc bach bacs baha bahl bahr bahs bahu bala balc ball bals balu bar- bara barb barc barh barr bars baru basa basc bash bass basu bau- baul baur bbas bbau bbbb bbbs bbch bbhs bblb bbls bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccl bccs bchs bcra bcrs bcru bcsa bcsc bcsl bcss bcuc bhar bhca bhcc bhhs bhra bhur bhuu blaa blab blac blah blas blau blcu blhs blls blrc blss blub blur blus brab brac brah bras brau brca brcb brhs brls brrr brrs brsb brsr bruc bruh brus bsaa bsac bsas bscs bshs bslc bsra bssc bual buar buba bubb bubs bubu buca bucc buch bucs bucu buha buhl buhr buhs bula bulb bull buls bulu bur- bura burb burh burl burr burs buru busa busc bush buss busu buus caaa caab caac caah caal caas caba cabs cabu cac- caca cacc cach cacr caha cahl cahs cala calc call cals calu cara carb carc carl carr cars casa casb casc cash casl casr cass casu cauc caul caus cbac cbal cbar cbbc cbbs cbca cbcc cbcl cbcr cbcs cbcu cbha cbhl cbhs cblb cblc cbrh cbrl cbsa cbsc cbus ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccl cccs cccu ccha cchl cchr cchs ccla cclc ccls ccra ccrc ccrl ccrs ccsa ccsl ccss ccuc ccus chaa chab chac chah chal char chas