-al -ol a-a a-b a-i aaa aab aag aai aak aal aao ab- aba abb abg abi abk abl abo ag- aga agb agg agi agk agl ago ai- aia aib aig aii aik ail aio aka akb akg aki akk akl ako al- ala alb alg ali alk all alo aoa aob aog aoi aok aol aoo baa bab bag bai bak bal bao bba bbb bbg bbi bbk bbl bbo bga bgb bgg bgi bgk bgl bgo bi- bia bib big bii bik bil bio bka bkb bkg bkk bkl bko bla blb blg bli blk bll blo boa bob bog boi bok bol boo gaa gab gag gai gak gal gao gba gbg gbi gbk gbl gbo gga ggb ggg ggi ggo gia gib gig gii gik gil gio gka gkb gko gla glb glg gli glk gll glo goa gob gog goi gok gol goo ia- iaa iab iag iai ial iao iba ibb ibg ibi ibk ibl ibo iga igb igg igi igk igl igo iia iib iii iil iio ika ikb iki ikk ikl iko il- ila ilb ilg ili ilk ill ilo io- ioa iob iog ioi iol ioo ka- kaa kab kag kai kak kal kao kba kbb kbi kbk kbl kbo kga kgb kgi kgl kgo kia kib kig kii kik kil kio kkb kki kkk kkl kl- kla klb klg kli klo koa kob kog koi kok kol koo la- laa lab lag lai lak lal lao lba lbb lbg lbi lbk lbl lbo lga lgb lgg lgi lgk lgl lgo lia lib lig lii lik lil lio lka lkb lkg lkl lla llb llg lli llk lll llo loa lob log loi lok lol loo o-i oaa oab oag oai oak oal oao ob- oba obb obg obi obk obl obo oga ogg ogi ogl ogo oia oib oii oik oil oio oka okb okg oki okk okl oko ola olb olg oli olk oll olo oo- ooa oob oog ooi ook ool ooo