a-a a-b a-i aaa aab aag aai aam aao aar aay ab- aba abb abg abi abm abo abr aby ag- aga agb agg agi agm ago agr agy ai- aia aib aig aii aim aio air aiy ama amb amg ami amm amo amr amy aoa aob aog aoi aom aoo aor ar- ara arb arg ari arm aro arr ary ay- aya ayi ayo ayr baa bab bag bai bam bao bar bay bba bbb bbg bbi bbm bbo bbr bby bga bgb bgg bgi bgm bgo bgr bi- bia bib big bii bim bio bir biy bma bmb bmg bmi bmm bmo bmr boa bob bog boi bom boo bor boy bra brb brg bri brm bro brr bry by- bya byg byi bym byo byr gaa gab gag gai gam gao gar gay gba gbg gbi gbm gbo gbr gby gga ggb ggg ggi ggm ggo ggr gia gib gig gii gim gio gir giy gma gmb gmg gmi gmm gmo gmr gmy goa gob gog goi gom goo gor goy gra grb grg gri grm gro grr gry gy- gya gyb gym gyo gyr ia- iaa iab iag iai iam iao iar iba ibb ibg ibi ibm ibo ibr iby iga igb igg igi igm igo igr igy iia iib iii iim iio iir im- ima imb img imi imm imo imy io- ioa iob iog ioi iom ioo ior ir- ira irb irg iri irm iro irr iry iya iym iyo iyr iyy m-o m-r maa mab mag mai mam mao mar may mba mbb mbg mbi mbm mbo mbr mga mgb mgi mgm mgo mgr mgy mi- mia mib mig mii mim mio mir miy mma mmb mmg mmi mmm mmo mmr moa mob mog moi mom moo mor moy mra mrb mrg mri mrm mro mrr mry my- mya myb myg mym myo myr o-i oaa oab oag oai oam oao oar ob- oba obb obg obi obm obo obr oby oga ogg ogi ogo ogy oia oib oii oim oio oir om- oma omb omg omi omm omo omr omy oo- ooa oob oog ooi oom ooo oor or- ora orb org ori orm oro orr ory oya oyi oyo ra- raa rab rag rai ram rao rar ray rba rbb rbg rbi rbm rbo rbr rga rgb rgg rgi rgo rgr ria rib rig rii rim rio rir riy rma rmb rmg rmi rmm rmo rmr roa rob rog roi rom roo ror roy rra rrb rrg rri rrm rrr ry- rya ryg rym ryo ryr ryy yaa yab yag yai yam yao yar yay ybg ybi ybm ybr yby yga ygm ygo yig yii yim yio yir yma ymg ymi ymm ymo yob yog yoi yom yoo yor yoy yra yrg yro yyb yyg yyy