-al -ol a-a a-b aaa aab aag aak aal aao ab- aba abb abg abk abl abo ag- aga agb agg agk agl ago aka akb akg akk akl ako al- ala alb alg alk all alo aoa aob aog aok aol aoo baa bab bag bak bal bao bba bbb bbg bbk bbl bbo bga bgb bgg bgk bgl bgo bka bkb bkg bkk bkl bko bla blb blg blk bll blo boa bob bog bok bol boo gaa gab gag gak gal gao gba gbg gbk gbl gbo gga ggb ggg ggo gka gkb gko gla glb glg glk gll glo goa gob gog gok gol goo ka- kaa kab kag kak kal kao kba kbb kbk kbl kbo kga kgb kgl kgo kkb kkk kkl kl- kla klb klg klo koa kob kog kok kol koo la- laa lab lag lak lal lao lba lbb lbg lbk lbl lbo lga lgb lgg lgk lgl lgo lka lkb lkg lkl lla llb llg llk lll llo loa lob log lok lol loo oaa oab oag oak oal oao ob- oba obb obg obk obl obo oga ogg ogl ogo oka okb okg okk okl oko ola olb olg olk oll olo oo- ooa oob oog ook ool ooo