a-a a-b aaa aab aam aap aar aas aay ab- aba abb abm abp abr abs aby ama amb amm amp amr ams amy ap- apa apb apm app apr aps apy ar- ara arb arm arp arr ars ary as- asa asb asm asp asr ass asy ay- aya ayp ayr ays b-p baa bab bam bap bar bas bay bba bbb bbm bbp bbr bbs bby bma bmb bmm bmp bmr bms bpa bpb bpm bpp bpr bps bpy bra brb brm brp brr brs bry bsa bsb bsm bsp bsr bss bsy by- bya bym byp byr bys m-r maa mab mam map mar mas may mba mbb mbm mbp mbr mbs mma mmb mmm mmp mmr mms mpa mpb mpm mpp mpr mps mra mrb mrm mrp mrr mrs mry msa msb msm msp msr mss msy my- mya myb mym myr mys p-p paa pab pam pap par pas pay pba pbb pbm pbp pbr pbs pby pma pmb pmm pmp pmr pms ppa ppb ppm ppp ppr pps pra prb prm prp prr prs pry ps- psa psb psm psp psr pss psy py- pya pyb pym pyr pys ra- raa rab ram rap rar ras ray rba rbb rbm rbp rbr rbs rma rmb rmm rmp rmr rms rpa rpb rpm rpp rpr rps rra rrb rrm rrp rrr rrs rsa rsb rsm rsp rsr rss ry- rya rym ryr rys ryy saa sab sam sap sar sas say sba sbb sbm sbp sbr sbs sby sma smb smm smp smr sms smy spa spb spm spp spr sps spy sr- sra srb srm srp srr srs sry ss- ssa ssb ssm ssp ssr sss sy- sya syb sym syp syr sys yaa yab yam yap yar yas yay ybm ybp ybr ybs yby yma ymm yms ypa yps yra yrp yrs ysa ysb ysm ysp ysr yss ysy yyb yys yyy