a-a a-b a-i aaa aab aag aai aam aay ab- aba abb abg abi abm aby ag- aga agb agg agi agm agy ai- aia aib aig aii aim aiy ama amb amg ami amm amy ay- aya ayi baa bab bag bai bam bay bba bbb bbg bbi bbm bby bga bgb bgg bgi bgm bi- bia bib big bii bim biy bma bmb bmg bmi bmm by- bya byg byi bym gaa gab gag gai gam gay gba gbg gbi gbm gby gga ggb ggg ggi ggm gia gib gig gii gim giy gma gmb gmg gmi gmm gmy gy- gya gyb gym ia- iaa iab iag iai iam iba ibb ibg ibi ibm iby iga igb igg igi igm igy iia iib iii iim im- ima imb img imi imm imy iya iym iyy maa mab mag mai mam may mba mbb mbg mbi mbm mga mgb mgi mgm mgy mi- mia mib mig mii mim miy mma mmb mmg mmi mmm my- mya myb myg mym yaa yab yag yai yam yay ybg ybi ybm yby yga ygm yig yii yim yma ymg ymi ymm yyb yyg yyy