-al a-a a-b a-i aaa aab aad aai aak aal ab- aba abb abd abi abk abl ad- ada adb add adi adk adl ai- aia aib aid aii aik ail aka akb akd aki akk akl al- ala alb ald ali alk all baa bab bad bai bak bal bba bbb bbd bbi bbk bbl bda bdb bdd bdi bdk bdl bi- bia bib bid bii bik bil bka bkb bkk bkl bla blb bld bli blk bll daa dab dad dai dak dal dba dbb dbd dbi dbk dbl dda ddb ddd ddi ddk ddl di- dia dib did dii dik dil dka dkb dki dkk dkl dl- dla dlb dld dli dlk dll i-d ia- iaa iab iad iai ial iba ibb ibd ibi ibk ibl ida idb idd idi idk idl iia iib iid iii iil ika ikb iki ikk ikl il- ila ilb ild ili ilk ill ka- kaa kab kad kai kak kal kba kbb kbd kbi kbk kbl kda kdb kdk kdl kia kib kid kii kik kil kkb kki kkk kkl kl- kla klb kld kli la- laa lab lad lai lak lal lba lbb lbd lbi lbk lbl lda ldb ldd ldi ldk ldl lia lib lid lii lik lil lka lkb lkl lla llb lld lli llk lll