a-a a-b a-c aaa aab aac aag aan aao aar aas aau ab- aba abb abc abg abn abo abr abs abu ac- aca acb acc acg acn aco acr acs acu ag- aga agb agc agg agn ago agr ags agu an- ana anb anc ang ann ano anr ans anu aoa aob aoc aog aon aoo aor aos aou ar- ara arb arc arg arn aro arr ars aru as- asa asb asc asg asn aso asr ass asu au- aua aub auc aug aun auo aur aus b-u baa bab bac bag ban bao bar bas bau bba bbb bbc bbg bbn bbo bbr bbs bbu bca bcb bcc bcg bcn bco bcr bcs bcu bga bgb bgc bgg bgn bgo bgr bgs bgu bna bnb bnc bng bnn bno bnr bns bnu boa bob boc bog bon boo bor bos bou bra brb brg brn bro brr brs bru bsa bsb bsc bsg bsn bso bsr bss bsu bua bub buc bug bun buo bur bus buu c-- caa cab cac cag can cao car cas cau cba cbb cbc cbg cbn cbo cbr cbs cbu cca ccb ccc ccg ccn cco ccr ccs ccu cga cgb cgc cgg cgn cgo cgr cgs cgu cn- cna cnb cnc cng cnn cno cnr cns cnu co- coa cob coc cog con coo cor cos cou cra crb crc crg crn cro crr crs cru csa csb csc csg csn cso csr css csu cua cub cuc cug cun cuo cur cus cuu gaa gab gac gag gan gao gar gas gau gba gbc gbg gbn gbo gbr gbs gbu gca gcb gcc gcg gcn gco gcr gcs gcu gga ggb ggc ggg ggn ggo ggr ggs ggu gna gnb gnc gnn gno gnr gns gnu goa gob goc gog gon goo gor gos gou gra grb grc grg grn gro grr grs gru gsa gsb gsc gsg gsn gso gsr gss gsu gu- gua gub guc gug gun guo gur gus guu naa nab nac nag nan nao nar nas nau nba nbb nbc nbg nbn nbo nbr nbs nbu nca ncb ncc ncg ncn nco ncr ncs ncu nga ngb ngc ngg ngn ngo ngs ngu nna nnb nnc nng nnn nno nns nnu no- noa nob noc nog non noo nor nos nou nra nrb nrc nrg nrn nro nrr nrs nru nsa nsb nsc nsg nsn nso nsr nss nsu nua nub nuc nug nun nuo nur nus nuu oaa oab oac oag oan oao oar oas oau ob- oba obb obc obg obn obo obr obs obu oc- oca ocb occ ocg ocn oco ocr ocs ocu oga ogc ogg ogn ogo ogs on- ona onb onc ong onn ono onr ons onu oo- ooa oob ooc oog oon ooo oor oos or- ora orb orc org orn oro orr ors oru os- osa osb osc osg osn oso osr oss osu ou- oua ouc oun ouo our ous ra- raa rab rac rag ran rao rar ras rau rba rbb rbc rbg rbn rbo rbr rbs rbu rca rcb rcc rcg rcn rco rcr rcs rcu rga rgb rgc rgg rgn rgo rgr rgs rna rnb rnc rng rnn rno rnr rns rnu roa rob roc rog ron roo ror ros rou rra rrb rrc rrg rrn rrr rrs rru rsa rsb rsc rsg rsn rso rsr rss rsu rua rub ruc rug run ruo rur rus ruu saa sab sac sag san sao sar sas sau sba sbb sbc sbg sbn sbo sbr sbs sbu sca scb scc scg scn sco scr scs scu sga sgb sgc sgg sgn sgo sgr sgs sgu sna snb snc sng snn sno snr sns snu soa sob soc sog son soo sor sos sou sr- sra srb src srg srn sro srr srs ss- ssa ssb ssc ssg ssn sso ssr sss ssu sua sub suc sug sun suo sur sus suu ua- uaa uab uac uag uan uao uar uas uau uba ubb ubc ubg ubn ubo ubr ubs ubu uca ucb ucc ucg ucn uco ucr ucs ucu uga ugb ugc ugg ugn ugo ugr ugs ugu un- una unb unc ung unn uno unr uns unu uoa uob uoc uog uon uoo uor uos ur- ura urb urc urg urn uro urr urs uru usa usb usc usg usn uso usr uss usu uua uuc uug uun uur uus uuu

-ana -ous a-un aaaa aaab aaac aaan aaar aaas aaba aabb aabc aaca aacb aacc aacn aaco aacr aacs aacu aana aang aaon aaoo aara aarc aaro aars aaru aasa aasc aass aasu aaus abaa abab abac abag aban abar abas abau abb- abba abbb abbo abbr abbs abca abcb abcc abcn abcr abcs abnu aboa abob abon aboo abor abos abou abra abrc abro abrs abs- absa abss absu abua abug abun abus acaa acab acac acag acan acar acas acba acca accc acco accs accu acga acgr acgs acoa acog acon acor acos acou acr- acra acrc acro acrr acrs acsa acsc acss acu- acuo acur acus ag-o agac agag agan agao agar agas agau agba agbo agca agcc agco agga aggu agna agno agns agob agog agon agoo agos agou agra agro agsa agsg agsu agua agun agur agus ana- anaa anab anac anag anan anao anar anas anau anba anbb anbo anbu anca ancc anco ang- anga ango angs angu anna annb anno anns ano- anoa anon anor anos anrc ansa anso ansu anua anub anun anus aoba aoca aocs aonb aono aora aorb aorn aors aoss aoun aous arab arac arag aran arar aras arau arba arbs arc- arca arco arcs arga argb argo args arna arng arno arns aroa arob aron aroo aror aros arr- arra arrc arrg arro arrr arrs arru ars- arsa arsc arso arsu arua arub arug arun asaa asab asac asag asan asao asar asas asau asba asbo asbu asc- asca ascb ascc asco ascr asnc asno asob asoc asog ason