-ly -ol bbb bbi bbk bbl bbo bbs bby bi- bib bii bik bil bio bis biy bkb bkk bkl bko bks blb bli blk bll blo bls bly bob boi bok bol boo bos boy bsb bsi bsk bsl bso bss bsy by- byi byk byl byo bys ibb ibi ibk ibl ibo ibs iby iib iii iil iio iis ikb iki ikk ikl iko iks il- ilb ili ilk ill ilo ils ily io- iob ioi iol ioo ios is- isb isi isk isl iso iss isy iyo iys iyy kbb kbi kbk kbl kbo kbs kib kii kik kil kio kis kkb kki kkk kkl kks kky kl- klb kli klo kls kly kob koi kok kol koo kos koy ksb ksi ksk ksl kso kss kyl kyo kys lbb lbi lbk lbl lbo lbs lib lii lik lil lio lis lkb lkl lks lky llb lli llk lll llo lls lly lob loi lok lol loo los loy lsb lsi lsk lsl lso lss lyk lyl lyo lys o-i ob- obb obi obk obl obo obs oby oib oii oik oil oio ois okb oki okk okl oko oks olb oli olk oll olo ols oly oo- oob ooi ook ool ooo oos os- osb osi osk osl oso oss oyi oyl oyo oys sbb sbi sbk sbl sbo sbs sby sib sii sik sil sio sis sk- skb ski skk skl sko sks sky slb sli slk sll slo sls sly sob soi sok sol soo sos soy ss- ssb ssi ssk ssl sso sss sy- syb syi syk syl sys ybi ybl ybs yby yii yio yis yki ykk yli ylk yll yls yly yob yoi yok yol yoo yos yoy ysb ysi ysk ysl yso yss ysy yyb yys yyy