a-a a-b a-i aaa aab aag aai aam aas aay ab- aba abb abg abi abm abs aby ag- aga agb agg agi agm ags agy ai- aia aib aig aii aim ais aiy ama amb amg ami amm ams amy as- asa asb asg asi asm ass asy ay- aya ayi ays baa bab bag bai bam bas bay bba bbb bbg bbi bbm bbs bby bga bgb bgg bgi bgm bgs bi- bia bib big bii bim bis biy bma bmb bmg bmi bmm bms bsa bsb bsg bsi bsm bss bsy by- bya byg byi bym bys gaa gab gag gai gam gas gay gba gbg gbi gbm gbs gby gga ggb ggg ggi ggm ggs gia gib gig gii gim gis giy gma gmb gmg gmi gmm gms gmy gsa gsb gsg gsi gsm gss gy- gya gyb gym gys ia- iaa iab iag iai iam ias iba ibb ibg ibi ibm ibs iby iga igb igg igi igm igs igy iia iib iii iim iis im- ima imb img imi imm ims imy is- isa isb isg isi ism iss isy iya iym iys iyy maa mab mag mai mam mas may mba mbb mbg mbi mbm mbs mga mgb mgi mgm mgs mgy mi- mia mib mig mii mim mis miy mma mmb mmg mmi mmm mms msa msb msg msi msm mss msy my- mya myb myg mym mys saa sab sag sai sam sas say sba sbb sbg sbi sbm sbs sby sga sgb sgg sgi sgm sgs sia sib sig sii sim sis sma smb smg smi smm sms smy ss- ssa ssb ssg ssi ssm sss sy- sya syb syg syi sym sys yaa yab yag yai yam yas yay ybg ybi ybm ybs yby yga ygm yig yii yim yis yma ymg ymi ymm yms ysa ysb ysg ysi ysm yss ysy yyb yyg yys yyy