-al a-a a-b aaa aab aae aak aal aav ab- aba abb abe abk abl abv aea aeb aee aek ael aev aka akb ake akk akl akv al- ala alb ale alk all alv av- ava avb ave avk avl baa bab bae bak bal bav bba bbb bbe bbk bbl be- bea beb bee bek bel bev bka bkb bke bkk bkl bkv bla blb ble blk bll blv bva bvb bve bvk bvl bvv eaa eab eae eak eal eav eba ebb ebe ebk ebl ebv eea eeb eee eek eel eev eka ekb eke ekl ekv ela elb ele elk ell elv eva evb eve evl evv ka- kaa kab kae kak kal kav kba kbb kbe kbk kbl ke- kea keb kee kek kel kev kkb kke kkk kkl kkv kl- kla klb klv kva kvb kvk kvv la- laa lab lae lak lal lav lba lbb lbe lbk lbl lbv lea leb lee lek lel lev lka lkb lkl lla llb lle llk lll llv lva lvb lve lvl lvv v-a v-e vaa vab vae vak val vav vba vbk vbl vbv vea veb vee vek vel vka vkb vl- vla vlb vle vlk vll vlv vva vvb vvv