a-a a-b aaa aab aag aan aao aar aas ab- aba abb abg abn abo abr abs ag- aga agb agg agn ago agr ags an- ana anb ang ann ano anr ans aoa aob aog aon aoo aor aos ar- ara arb arg arn aro arr ars as- asa asb asg asn aso asr ass baa bab bag ban bao bar bas bba bbb bbg bbn bbo bbr bbs bga bgb bgg bgn bgo bgr bgs bna bnb bng bnn bno bnr bns boa bob bog bon boo bor bos bra brb brg brn bro brr brs bsa bsb bsg bsn bso bsr bss gaa gab gag gan gao gar gas gba gbg gbn gbo gbr gbs gga ggb ggg ggn ggo ggr ggs gna gnb gnn gno gnr gns goa gob gog gon goo gor gos gra grb grg grn gro grr grs gsa gsb gsg gsn gso gsr gss naa nab nag nan nao nar nas nba nbb nbg nbn nbo nbr nbs nga ngb ngg ngn ngo ngs nna nnb nng nnn nno nns no- noa nob nog non noo nor nos nra nrb nrg nrn nro nrr nrs nsa nsb nsg nsn nso nsr nss oaa oab oag oan oao oar oas ob- oba obb obg obn obo obr obs oga ogg ogn ogo ogs on- ona onb ong onn ono onr ons oo- ooa oob oog oon ooo oor oos or- ora orb org orn oro orr ors os- osa osb osg osn oso osr oss ra- raa rab rag ran rao rar ras rba rbb rbg rbn rbo rbr rbs rga rgb rgg rgn rgo rgr rgs rna rnb rng rnn rno rnr rns roa rob rog ron roo ror ros rra rrb rrg rrn rrr rrs rsa rsb rsg rsn rso rsr rss saa sab sag san sao sar sas sba sbb sbg sbn sbo sbr sbs sga sgb sgg sgn sgo sgr sgs sna snb sng snn sno snr sns soa sob sog son soo sor sos sr- sra srb srg srn sro srr srs ss- ssa ssb ssg ssn sso ssr sss

-ana aaaa aaab aaan aaar aaas aaba aabb aana aang aaon aaoo aara aaro aars aasa aass abaa abab abag aban abar abas abb- abba abbb abbo abbr abbs aboa abob abon aboo abor abos abra abro abrs abs- absa abss ag-o agag agan agao agar agas agba agbo agga agna agno agns agob agog agon agoo agos agra agro agsa agsg ana- anaa anab anag anan anao anar anas anba anbb anbo ang- anga ango angs anna annb anno anns ano- anoa anon anor anos ansa anso aoba aonb aono aora aorb aorn aors aoss arab arag aran arar aras arba arbs arga argb argo args arna arng arno arns aroa arob aron aroo aror aros arr- arra arrg arro arrr arrs ars- arsa arso asaa asab asag asan asao asar asas asba asbo asno asob asog ason asor asos asra asrg asro asrs assa assn asso assr asss baaa baan baar baas baba babb babo babr babs baga bagg bagn bago bags bana bang bann bano banr bans baon baos bar- bara barb barg barn baro barr bars basa baso bass bbas bbbb bbbs bbga bbng bbrg bgan bggs bgon bnas bnor bnrr bnss boab boag boan boar boas boba bobb bobo bobs boga bogg bogo bogs bona bong bonn bono bons boob boog boon boor boos bor- bora borg born boro borr bors bosa bosn boso boss brab brag bran brao bras brna brno brns broa brob brog bron broo bror bros brrr brrs brsb brsr bsaa bsas bsgs bsns bson bsos bsra gaar gaas gaba gabb gabo gabr gabs gaga gagg gago gags gana gang gann gano gans gaon gaos gara garb garg garn garo garr gars gasa gasb gaso gasr gass gbag gban gbas gbbo gbbs gbon gggg ggrn ggss gnaa gnar gnas gnoo gnrr goan goar goas goba gobo gobs goga gogo gogs gon- gona gong gonn gono gons goog goon goor goos gora gorb gorg gorn goro gorr gors goso goss grab gran gras grbr grob grog gron groo gror gros grrr grrs grss gsab gson gsos naaa naab naag naan naar naas naba nabo nabs naga nago nags nan- nana nanb nang nann nano nans naor naos nara narg narn naro narr nars nas- nasa nasb naso nasr nass nbaa nbar nbas nbbo ngab ngan ngao ngas ngns ngon ngor ngos ngsn nngn nnnn nnos nnsa nnss noaa noba nobo nobs noga nogg nogo nogs non- nona nong nonn nono nons noo- noob noon nooo noor noos nor- nora norb norg norn noro norr nors nos- nosa noss nrab nras nrna nron nrsa nsaa nsar nsbo nsna nsnr nsos nsra nssa nssb nsso nssr nsss oara oars oass oban obas obba obbo obon obor obos obra obro obsn obsr obss ogar ogb ogba ogna ogoa ogog ogon ogra ogro onab onan onar onas onga ongo onna onno onon onor onos onra onso ooaa ooba oona oons oooo ooos oora oosa orab oran orao orar oras orba orbb orbo orbs orga orgn orgo orgs orna orno orns oro- oron oror oros orra orro orrs orsa orso osag osan osar osas osba osno osnr osoo osor osos osro ossa ossb osso raab raag raan raas raba rabb rabo rabs raga ragg rago rags rana rang rann rano rans raob raos rara rarb raro rars rasa raso rass rbbb rbbr rbbs rbss rgan rgba rnag rnas rnbr rngs roab roag roan roar roas rob- roba robb robo robs roga rogg rogo rona rong rono rons roob roog roon roor roos rora roro rosa roso ross rras rrna rrrr rsaa rsgb rsna rsnn rsno rsnr rsos rssa s-os saab saag saan saar saas saba sabb sabo sabr sabs saga sagg sago sags sana sang sann sano sanr sans saon saor saos sara sarg sarn saro sarr sars sasa saso sass sbaa sbar sbas sbbs sbor sbsa sgaa sggg sggs sgro sgss snab snag snar