a-a a-b aaa aab aag aam aar aay ab- aba abb abg abm abr aby ag- aga agb agg agm agr agy ama amb amg amm amr amy ar- ara arb arg arm arr ary ay- aya ayr baa bab bag bam bar bay bba bbb bbg bbm bbr bby bga bgb bgg bgm bgr bma bmb bmg bmm bmr bra brb brg brm brr bry by- bya byg bym byr gaa gab gag gam gar gay gba gbg gbm gbr gby gga ggb ggg ggm ggr gma gmb gmg gmm gmr gmy gra grb grg grm grr gry gy- gya gyb gym gyr m-r maa mab mag mam mar may mba mbb mbg mbm mbr mga mgb mgm mgr mgy mma mmb mmg mmm mmr mra mrb mrg mrm mrr mry my- mya myb myg mym myr ra- raa rab rag ram rar ray rba rbb rbg rbm rbr rga rgb rgg rgr rma rmb rmg rmm rmr rra rrb rrg rrm rrr ry- rya ryg rym ryr ryy yaa yab yag yam yar yay ybg ybm ybr yby yga ygm yma ymg ymm yra yrg yyb yyg yyy