a-a a-b aaa aab aag aah aap aar aas ab- aba abb abg abh abp abr abs ag- aga agb agg agh agp agr ags aha ahb ahg ahh ahp ahr ahs ap- apa apb apg aph app apr aps ar- ara arb arg arh arp arr ars as- asa asb asg ash asp asr ass b-p baa bab bag bah bap bar bas bba bbb bbg bbh bbp bbr bbs bga bgb bgg bgh bgp bgr bgs bha bhb bhg bhh bhp bhr bhs bpa bpb bpg bph bpp bpr bps bra brb brg brh brp brr brs bsa bsb bsg bsh bsp bsr bss g-p gaa gab gag gah gap gar gas gba gbg gbh gbp gbr gbs gga ggb ggg ggh ggp ggr ggs gha ghb ghg ghh ghp ghr ghs gpa gpb gpg gph gpp gpr gps gra grb grg grh grp grr grs gsa gsb gsg gsp gsr gss haa hab hag hah hap har has hba hbb hbg hbh hbp hbr hbs hga hgb hgg hgh hgp hgr hgs hha hhb hhg hhh hhp hhr hhs hpa hpb hpg hph hpp hpr hps hr- hra hrb hrg hrh hrp hrr hrs hsa hsb hsg hsh hsp hsr hss p-p paa pab pag pah pap par pas pba pbb pbg pbp pbr pbs pga pgb pgg pgh pgp pgr pgs pha phb phg php phr phs ppa ppb ppg pph ppp ppr pps pra prb prg prh prp prr prs ps- psa psb psg psh psp psr pss ra- raa rab rag rah rap rar ras rba rbb rbg rbh rbp rbr rbs rga rgb rgg rgh rgp rgr rgs rh- rha rhb rhg rhh rhp rhr rhs rpa rpb rpg rph rpp rpr rps rra rrb rrg rrh rrp rrr rrs rsa rsb rsg rsh rsp rsr rss saa sab sag sah sap sar sas sba sbb sbg sbh sbp sbr sbs sga sgb sgg sgh sgp sgr sgs sh- sha shb shg shh shp shr shs spa spb spg sph spp spr sps sr- sra srb srg srh srp srr srs ss- ssa ssb ssg ssh ssp ssr sss