-ly bbb bbi bbl bbn bbs bby bi- bib bii bil bin bis biy blb bli bll bln bls bly bnb bni bnl bnn bns bsb bsi bsl bsn bss bsy by- byi byl byn bys ibb ibi ibl ibn ibs iby iib iii iil iin iis il- ilb ili ill iln ils ily in- inb ini inl inn ins iny is- isb isi isl isn iss isy iys iyy lbb lbi lbl lbs lib lii lil lin lis llb lli lll lln lls lly lnb lni lnl lnn lns lsb lsi lsl lsn lss lyl lyn lys n-i nbb nbi nbl nbn nbs nib nii nil nin nis nlb nli nll nln nls nly nnb nni nnl nnn nns nsb nsi nsl nsn nss nsy nyl nyn nys nyy sbb sbi sbl sbn sbs sby sib sii sil sin sis slb sli sll sln sls sly snb sni snl snn sns sny ss- ssb ssi ssl ssn sss sy- syb syi syl syn sys ybi ybl ybs yby yii yin yis yli yll yls yly ynn yns yny ysb ysi ysl yss ysy yyb yys yyy