-ly bbb bbi bbk bbl bbn bbr bbs bby bi- bib bii bik bil bin bir bis biy bkb bkk bkl bkn bkr bks blb bli blk bll bln blr bls bly bnb bni bnk bnl bnn bnr bns brb bri brk brl brn brr brs bry bsb bsi bsk bsl bsn bsr bss bsy by- byi byk byl byn byr bys ibb ibi ibk ibl ibn ibr ibs iby iib iii iil iin iir iis ikb iki ikk ikl ikr iks il- ilb ili ilk ill iln ilr ils ily in- inb ini ink inl inn inr ins iny ir- irb iri irk irl irn irr irs iry is- isb isi isk isl isn isr iss isy iyr iys iyy kbb kbi kbk kbl kbn kbr kbs kib kii kik kil kin kir kis kkb kki kkk kkl kkn kkr kks kky kl- klb kli klr kls kly kn- kni knk knl knn knr kri krk krl krn krr krs kry ksb ksi ksk ksl ksn ksr kss kyl kyn kyr kys lbb lbi lbk lbl lbr lbs lib lii lik lil lin lir lis lkb lkl lkr lks lky llb lli llk lll lln llr lls lly lnb lni lnk lnl lnn lnr lns lrb lri lrk lrn lrr lrs lry lsb lsi lsk lsl lsn lsr lss lyk lyl lyn lyr lys n-i nbb nbi nbk nbl nbn nbr nbs nib nii nik nil nin nir nis nki nkk nkn nkr nks nky nlb nli nlk nll nln nlr nls nly nnb nni nnk nnl nnn nns nrb nri nrk nrl nrn nrr nrs nry nsb nsi nsk nsl nsn nsr nss nsy nyk nyl nyn nys nyy rbb rbi rbk rbl rbn rbr rbs rib rii rik ril rin rir ris riy rkb rkk rks rky rli rll rln rlr rls rly rnb rni rnn rnr rns rny rrb rri rrk rrl rrn rrr rrs rsb rsi rsk rsl rsn rsr rss ry- ryk ryn ryr rys ryy sbb sbi sbk sbl sbn sbr sbs sby sib sii sik sil sin sir sis sk- skb ski skk skl skr sks sky slb sli slk sll sln slr sls sly snb sni snk snl snn snr sns sny sr- srb sri srk srl srn srr srs sry ss- ssb ssi ssk ssl ssn ssr sss sy- syb syi syk syl syn syr sys ybi ybl ybr ybs yby yii yin yir yis yki ykk ykn yli ylk yll ylr yls yly ynk ynn yns yny yrn yrs ysb ysi ysk ysl ysr yss ysy yyb yys yyy