bbb bbi bbk bbl bbn bbw bi- bib bii bik bil bin biw bkb bkk bkl bkn bkw blb bli blk bll bln bnb bni bnk bnl bnn bnw bwb bwi bwk bwl ibb ibi ibk ibl ibn ibw iib iii iil iin iiw ikb iki ikk ikl il- ilb ili ilk ill iln in- inb ini ink inl inn iwb iwi iwk iwl iww kbb kbi kbk kbl kbn kbw kib kii kik kil kin kkb kki kkk kkl kkn kl- klb kli kn- kni knk knl knn kw- kwi kwk kww lbb lbi lbk lbl lbw lib lii lik lil lin liw lkb lkl llb lli llk lll lln llw lnb lni lnk lnl lnn lwb lwi lwl lwn lww n-i nbb nbi nbk nbl nbn nbw nib nii nik nil nin nki nkk nkn nlb nli nlk nll nln nlw nnb nni nnk nnl nnn nnw nwb nwi nwl nwn wbb wbi wbn wbw wib wii wik wil win wkb wkw wl- wlb wli wll wln wlw wn- wnl wnn wnw wwi wwl wwn www