a-a a-b aaa aab aag aaj aan aar aas ab- aba abb abg abj abn abr abs ag- aga agb agg agj agn agr ags aja ajb ajj ajn ajr ajs an- ana anb ang anj ann anr ans ar- ara arb arg arj arn arr ars as- asa asb asg asj asn asr ass baa bab bag baj ban bar bas bba bbb bbg bbn bbr bbs bga bgb bgg bgn bgr bgs bja bjg bjj bjn bjr bjs bna bnb bng bnj bnn bnr bns bra brb brg brj brn brr brs bsa bsb bsg bsj bsn bsr bss gaa gab gag gaj gan gar gas gba gbg gbj gbn gbr gbs gga ggb ggg ggj ggn ggr ggs gja gjg gjr gna gnb gnn gnr gns gra grb grg grj grn grr grs gsa gsb gsg gsj gsn gsr gss jaa jab jag jaj jan jar jas jba jbg jbj jbr jbs jga jgb jgn jgr jgs jja jjb jjg jjj jjr jjs jna jng jnj jnn jnr jns jra jrb jrg jrn jrr jrs jsa jsb jsg jsj jsn jsr jss naa nab nag naj nan nar nas nba nbb nbg nbn nbr nbs nga ngb ngg ngj ngn ngs nja njn njs nna nnb nng nnn nns nra nrb nrg nrj nrn nrr nrs nsa nsb nsg nsn nsr nss ra- raa rab rag raj ran rar ras rba rbb rbg rbn rbr rbs rga rgb rgg rgn rgr rgs rja rjg rjr rna rnb rng rnn rnr rns rra rrb rrg rrn rrr rrs rsa rsb rsg rsj rsn rsr rss saa sab sag saj san sar sas sba sbb sbg sbj sbn sbr sbs sga sgb sgg sgn sgr sgs sja sjb sjj sjr sjs sna snb sng snj snn snr sns sr- sra srb srg srj srn srr srs ss- ssa ssb ssg ssj ssn ssr sss