a-a a-b aaa aab aah aap aar aas aay ab- aba abb abh abp abr abs aby aha ahb ahh ahp ahr ahs ahy ap- apa apb aph app apr aps apy ar- ara arb arh arp arr ars ary as- asa asb ash asp asr ass asy ay- aya ayh ayp ayr ays b-p baa bab bah bap bar bas bay bba bbb bbh bbp bbr bbs bby bha bhb bhh bhp bhr bhs bpa bpb bph bpp bpr bps bpy bra brb brh brp brr brs bry bsa bsb bsh bsp bsr bss bsy by- bya byh byp byr bys haa hab hah hap har has hay hba hbb hbh hbp hbr hbs hby hha hhb hhh hhp hhr hhs hhy hpa hpb hph hpp hpr hps hpy hr- hra hrb hrh hrp hrr hrs hsa hsb hsh hsp hsr hss hsy hy- hya hyb hyh hyp hyr hys hyy p-p paa pab pah pap par pas pay pba pbb pbp pbr pbs pby pha phb php phr phs phy ppa ppb pph ppp ppr pps pra prb prh prp prr prs pry ps- psa psb psh psp psr pss psy py- pya pyb pyr pys ra- raa rab rah rap rar ras ray rba rbb rbh rbp rbr rbs rh- rha rhb rhh rhp rhr rhs rpa rpb rph rpp rpr rps rra rrb rrh rrp rrr rrs rsa rsb rsh rsp rsr rss ry- rya ryr rys ryy saa sab sah sap sar sas say sba sbb sbh sbp sbr sbs sby sh- sha shb shh shp shr shs shy spa spb sph spp spr sps spy sr- sra srb srh srp srr srs sry ss- ssa ssb ssh ssp ssr sss sy- sya syb syh syp syr sys yaa yab yah yap yar yas yay ybp ybr ybs yby yha yhs ypa yps yra yrp yrs ysa ysb ysp ysr yss ysy yyb yys yyy