-al a-a a-b aaa aab aak aal aan aav ab- aba abb abk abl abn abv aka akb akk akl akn akv al- ala alb alk all aln alv an- ana anb ank anl ann anv av- ava avb avk avl avn baa bab bak bal ban bav bba bbb bbk bbl bbn bka bkb bkk bkl bkn bkv bla blb blk bll bln blv bna bnb bnk bnl bnn bnv bva bvb bvk bvl bvn bvv ka- kaa kab kak kal kan kav kba kbb kbk kbl kbn kkb kkk kkl kkn kkv kl- kla klb klv kn- kna knk knl knn kva kvb kvk kvn kvv la- laa lab lak lal lan lav lba lbb lbk lbl lbv lka lkb lkl lla llb llk lll lln llv lna lnb lnk lnl lnn lva lvb lvl lvn lvv naa nab nak nal nan nav nba nbb nbk nbl nbn nbv nka nkk nkn nla nlb nlk nll nln nlv nna nnb nnk nnl nnn nnv nva nvb nvk nvl nvn nvv v-a vaa vab vak val van vav vba vbk vbl vbv vka vkb vl- vla vlb vlk vll vlv vn- vna vnl vnv vva vvb vvv