-ly -ol bbb bbk bbl bbo bbs bbw bby bkb bkk bkl bko bks bkw blb blk bll blo bls bly bob bok bol boo bos bow boy bsb bsk bsl bso bss bsw bsy bwb bwk bwl bwo bws bwy by- byk byl byo bys kbb kbk kbl kbo kbs kbw kkb kkk kkl kks kky kl- klb klo kls kly kob kok kol koo kos kow koy ksb ksk ksl kso kss ksw kw- kwk kwo kws kww kyl kyo kys kyw lbb lbk lbl lbo lbs lbw lkb lkl lks lky llb llk lll llo lls llw lly lob lok lol loo los low loy lsb lsk lsl lso lss lsw lwb lwl lwo lws lww lyk lyl lyo lys ob- obb obk obl obo obs obw oby okb okk okl oko oks okw olb olk oll olo ols olw oly oo- oob ook ool ooo oos oow os- osb osk osl oso oss osw owb owk owl owo ows oww oyl oyo oys sbb sbk sbl sbo sbs sbw sby sk- skb skk skl sko sks skw sky slb slk sll slo sls sly sob sok sol soo sos sow soy ss- ssb ssk ssl sso sss ssw swb swk swl swo sws swy sy- syb syk syl sys wbb wbo wbs wbw wkb wko wks wkw wky wl- wlb wll wlo wls wlw wly wob wok wol woo wos wow woy wsb wsk wsl wso wss wsw wwl wwo www wy- wyk wyl wyo wys ybl ybs yby ykk ylk yll yls yly yob yok yol yoo yos yow yoy ysb ysk ysl yso yss ysy yyb yys yyy