-al a-a a-b a-c aaa aab aac aag aah aal aar aas aau ab- aba abb abc abg abh abl abr abs abu ac- aca acb acc acg ach acl acr acs acu ag- aga agb agc agg agh agl agr ags agu aha ahb ahc ahg ahh ahl ahr ahs ahu al- ala alb alc alg alh all alr als alu ar- ara arb arc arg arh arl arr ars aru as- asa asb asc asg ash asl asr ass asu au- aua aub auc aug auh aul aur aus b-u baa bab bac bag bah bal bar bas bau bba bbb bbc bbg bbh bbl bbr bbs bbu bca bcb bcc bcg bch bcl bcr bcs bcu bga bgb bgc bgg bgh bgl bgr bgs bgu bha bhb bhc bhg bhh bhl bhr bhs bhu bla blb blc blg blh bll blr bls blu bra brb brg brh brl brr brs bru bsa bsb bsc bsg bsh bsl bsr bss bsu bua bub buc bug buh bul bur bus buu c-- caa cab cac cag cah cal car cas cau cba cbb cbc cbg cbh cbl cbr cbs cbu cca ccb ccc ccg cch ccl ccr ccs ccu cga cgb cgc cgg cgh cgl cgr cgs cgu ch- cha chb chc chg chh chl chr chs chu cl- cla clb clc clg clh cll clr cls clu cra crb crc crg crh crl crr crs cru csa csb csc csg csh csl csr css csu cua cub cuc cug cuh cul cur cus cuu gaa gab gac gag gah gal gar gas gau gba gbc gbg gbh gbl gbr gbs gbu gca gcb gcc gcg gch gcl gcr gcs gcu gga ggb ggc ggg ggh ggr ggs ggu gha ghb ghc ghg ghh ghl ghr ghs gla glb glc glg glh gll glr gls glu gra grb grc grg grh grl grr grs gru gsa gsb gsc gsg gsl gsr gss gsu gu- gua gub guc gug gul gur gus guu haa hab hac hag hah hal har has hau hba hbb hbc hbg hbh hbl hbr hbs hbu hca hcb hcc hcg hch hcl hcr hcs hga hgb hgc hgg hgh hgl hgr hgs hgu hha hhb hhc hhg hhh hhl hhr hhs hhu hla hlb hlc hlg hlh hll hlr hls hlu hr- hra hrb hrc hrg hrh hrl hrr hrs hru hsa hsb hsc hsg hsh hsl hsr hss hsu hua hub huc hug huh hul hur hus huu la- laa lab lac lag lah lal lar las lau lba lbb lbc lbg lbh lbl lbr lbs lbu lca lcb lcc lcg lch lcl lcr lcs lcu lga lgb lgc lgg lgh lgl lgr lgs lgu lha lhb lhc lhh lhr lhs lhu lla llb llc llg lll llr lls llu lra lrb lrc lrg lrh lrr lrs lru lsa lsb lsc lsg lsh lsl lsr lss lsu lua lub luc lug luh lul lur lus luu ra- raa rab rac rag rah ral rar ras rau rba rbb rbc rbg rbh rbl rbr rbs rbu rca rcb rcc rcg rch rcl rcr rcs rcu rga rgb rgc rgg rgh rgr rgs rh- rha rhb rhc rhg rhh rhl rhr rhs rhu rla rlc rlg rlh rll rlr rls rlu rra rrb rrc rrg rrh rrl rrr rrs rru rsa rsb rsc rsg rsh rsl rsr rss rsu rua rub ruc rug ruh rur rus ruu saa sab sac sag sah sal sar sas sau sba sbb sbc sbg sbh sbl sbr sbs sbu sca scb scc scg sch scl scr scs scu sga sgb sgc sgg sgh sgl sgr sgs sgu sh- sha shb shc shg shh shl shr shs shu sla slb slc slg slh sll slr sls slu sr- sra srb src srg srh srl srr srs ss- ssa ssb ssc ssg ssh ssl ssr sss ssu sua sub suc sug suh sul sur sus suu ua- uaa uab uac uag uah ual uar uas uau uba ubb ubc ubg ubh ubl ubr ubs ubu uca ucb ucc ucg uch ucl ucr ucs ucu uga ugb ugc ugg ugh ugl ugr ugs ugu uha uhb uhc uhh uhl uhr uhs uhu ula ulb ulc ulg ull ulr uls ulu ur- ura urb urc urg url urr urs uru usa usb usc usg ush usl usr uss usu uua uuc uug 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 aagh aaha aahl aahs aala aalc aall aals aalu aara aarc aars aaru aasa aasc aass aasu aaus abaa abab abac abag abal abar abas abau abb- abba abbb abbr abbs abca abcb abcc abch abcl abcr abcs abgl abha abhr abhs abla abls abra abrc abrs abs- absa absl abss absu abua abug abul abus acaa acab acac acag acar acas acba acbl acca accc acch accs accu acga acgr acgs acha achh achl achr achs achu acla aclc aclr acls aclu acr- acra acrc acrr acrs acsa acsc acsl acss acu- acul acur acus agac agag agal agar agas agau agba agca agcc agga aggu agha aghs agla aglc agls aglu agra agrl agsa agsg agsu agua agul agur agus ahab ahac ahah ahal ahar ahas ahau ahha ahhs ahla ahlu ahra ahrc ahrr ahrs ahsa ahss ahua ahug ahus alaa alac alag alal alar alas alau alb- alba albc albs albu alca alcc alcs alg- alga algs alha alhs all- alla allh alll allr alls allu alsa alsc alua alug alur alus arab arac arag arah aral arar aras arau arba arbh arbs arc- arca arch arcs arga argb argh args arh- arhs arla arr- arra arrc arrg arrh arrr arrs arru ars- arsa arsc arsu arua arub arug arul asaa asab asac asag asah asal asar asas asau asba asbu asc- asca ascb ascc asch ascl ascr asha ashs ashu asla aslr asra asrc asrg asrs asru assa assc assh assl assr asss assu