-al a-a a-b a-i aaa aab aai aak aal ab- aba abb abi abk abl ai- aia aib aii aik ail aka akb aki akk akl al- ala alb ali alk all baa bab bai bak bal bba bbb bbi bbk bbl bi- bia bib bii bik bil bka bkb bkk bkl bla blb bli blk bll ia- iaa iab iai ial iba ibb ibi ibk ibl iia iib iii iil ika ikb iki ikk ikl il- ila ilb ili ilk ill ka- kaa kab kai kak kal kba kbb kbi kbk kbl kia kib kii kik kil kkb kki kkk kkl kl- kla klb kli la- laa lab lai lak lal lba lbb lbi lbk lbl lia lib lii lik lil lka lkb lkl lla llb lli llk lll