a-a a-b a-i aaa aab aag aai aak aam ab- aba abb abg abi abk abm ag- aga agb agg agi agk agm ai- aia aib aig aii aik aim aka akb akg aki akk akm ama amb amg ami amk amm baa bab bag bai bak bam bba bbb bbg bbi bbk bbm bga bgb bgg bgi bgk bgm bi- bia bib big bii bik bim bka bkb bkg bkk bkm bma bmb bmg bmi bmk bmm gaa gab gag gai gak gam gba gbg gbi gbk gbm gga ggb ggg ggi ggm gia gib gig gii gik gim gka gkb gkm gma gmb gmg gmi gmm ia- iaa iab iag iai iam iba ibb ibg ibi ibk ibm iga igb igg igi igk igm iia iib iii iim ika ikb iki ikk im- ima imb img imi imm ka- kaa kab kag kai kak kam kba kbb kbi kbk kbm kga kgb kgi kgm kia kib kig kii kik kim kkb kki kkk kkm kma kmb kmg kmi kmk kmm maa mab mag mai mak mam mba mbb mbg mbi mbk mbm mga mgb mgi mgk mgm mi- mia mib mig mii mik mim mka mkb mkg mkk mkm mma mmb mmg mmi mmk mmm