a-a a-b a-c aaa aab aac aah aam aar aay ab- aba abb abc abh abm abr aby ac- aca acb acc ach acm acr acy aha ahb ahc ahh ahm ahr ahy ama amb amc amh amm amr amy ar- ara arb arc arh arm arr ary ay- aya ayc ayh ayr baa bab bac bah bam bar bay bba bbb bbc bbh bbm bbr bby bca bcb bcc bch bcm bcr bcy bha bhb bhc bhh bhm bhr bma bmb bmc bmh bmm bmr bra brb brh brm brr bry by- bya byc byh bym byr c-- caa cab cac cah cam car cay cba cbb cbc cbh cbm cbr cby cca ccb ccc cch ccm ccr ch- cha chb chc chh chm chr chy cma cmb cmc cmh cmm cmr cmy cra crb crc crh crm crr cry cya cyb cyc cym cyr haa hab hac hah ham har hay hba hbb hbc hbh hbm hbr hby hca hcb hcc hch hcm hcr hcy hha hhb hhc hhh hhm hhr hhy hma hmb hmc hmh hmm hmr hmy hr- hra hrb hrc hrh hrm hrr hy- hya hyb hyc hyh hym hyr hyy m-r maa mab mac mah mam mar may mba mbb mbc mbh mbm mbr mc- mca mcb mcc mch mcm mcr mha mhc mhh mhm mhr mma mmb mmc mmh mmm mmr mra mrb mrc mrh mrm mrr mry my- mya myb myc myh mym myr ra- raa rab rac rah ram rar ray rba rbb rbc rbh rbm rbr rca rcb rcc rch rcm rcr rh- rha rhb rhc rhh rhm rhr rma rmb rmc rmh rmm rmr rra rrb rrc rrh rrm rrr ry- rya ryc rym ryr ryy yaa yab yac yah yam yar yay ybc ybm ybr yby yca ycc ych ycy yha yhc yma ymc ymm yra yrc yyb yyc yyy