-al a-a a-b aaa aab aag aak aal aan ab- aba abb abg abk abl abn ag- aga agb agg agk agl agn aka akb akg akk akl akn al- ala alb alg alk all aln an- ana anb ang ank anl ann baa bab bag bak bal ban bba bbb bbg bbk bbl bbn bga bgb bgg bgk bgl bgn bka bkb bkg bkk bkl bkn bla blb blg blk bll bln bna bnb bng bnk bnl bnn gaa gab gag gak gal gan gba gbg gbk gbl gbn gga ggb ggg ggn gka gkb gkn gla glb glg glk gll gln gna gnb gnl gnn ka- kaa kab kag kak kal kan kba kbb kbk kbl kbn kga kgb kgl kkb kkk kkl kkn kl- kla klb klg kn- kna kng knk knl knn la- laa lab lag lak lal lan lba lbb lbg lbk lbl lga lgb lgg lgk lgl lgn lka lkb lkg lkl lla llb llg llk lll lln lna lnb lng lnk lnl lnn naa nab nag nak nal nan nba nbb nbg nbk nbl nbn nga ngb ngg ngk ngl ngn nka nkk nkn nla nlb nlg nlk nll nln nna nnb nng nnk nnl nnn