-ly bbb bbi bbk bbl bbn bby bi- bib bii bik bil bin biy bkb bkk bkl bkn blb bli blk bll bln bly bnb bni bnk bnl bnn by- byi byk byl byn ibb ibi ibk ibl ibn iby iib iii iil iin ikb iki ikk ikl il- ilb ili ilk ill iln ily in- inb ini ink inl inn iny iyy kbb kbi kbk kbl kbn kib kii kik kil kin kkb kki kkk kkl kkn kky kl- klb kli kly kn- kni knk knl knn kyl kyn lbb lbi lbk lbl lib lii lik lil lin lkb lkl lky llb lli llk lll lln lly lnb lni lnk lnl lnn lyk lyl lyn n-i nbb nbi nbk nbl nbn nib nii nik nil nin nki nkk nkn nky nlb nli nlk nll nln nly nnb nni nnk nnl nnn nyk nyl nyn nyy ybi ybl yby yii yin yki ykk ykn yli ylk yll yly ynk ynn yny yyb yyy