-ly -ol bbb bbd bbk bbl bbo bbs bby bdb bdd bdk bdl bdo bds bdy bkb bkk bkl bko bks blb bld blk bll blo bls bly bob bod bok bol boo bos boy bsb bsd bsk bsl bso bss bsy by- byd byk byl byo bys dbb dbd dbk dbl dbo dbs dby ddb ddd ddk ddl ddo dds ddy dkb dkk dkl dko dks dl- dlb dld dlk dll dlo dls dly dob dod dok dol doo dos doy dsb dsd dsk dsl dso dss dsy dy- dyb dyd dyk dyo dys dyy kbb kbd kbk kbl kbo kbs kdb kdk kdl kdo kds kdy kkb kkk kkl kks kky kl- klb kld klo kls kly kob kod kok kol koo kos koy ksb ksd ksk ksl kso kss kyd kyl kyo kys lbb lbd lbk lbl lbo lbs ldb ldd ldk ldl ldo lds ldy lkb lkl lks lky llb lld llk lll llo lls lly lob lod lok lol loo los loy lsb lsd lsk lsl lso lss lyd lyk lyl lyo lys ob- obb obd obk obl obo obs oby odb odd odl odo ods okb okd okk okl oko oks olb old olk oll olo ols oly oo- oob ood ook ool ooo oos os- osb osd osk osl oso oss oyd oyl oyo oys sbb sbd sbk sbl sbo sbs sby sdb sdd sdk sdl sdo sds sdy sk- skb skd skk skl sko sks sky slb sld slk sll slo sls sly sob sod sok sol soo sos soy ss- ssb ssd ssk ssl sso sss sy- syb syd syk syl sys ybl ybs yby ydl ydo yds ydy ykk yld ylk yll yls yly yob yod yok yol yoo yos yoy ysb ysk ysl yso yss ysy yyb yys yyy