-ly -ol bbb bbk bbl bbn bbo bby bkb bkk bkl bkn bko blb blk bll bln blo bly bnb bnk bnl bnn bno bob bok bol bon boo boy by- byk byl byn byo kbb kbk kbl kbn kbo kkb kkk kkl kkn kky kl- klb klo kly kn- knk knl knn kno kob kok kol kon koo koy kyl kyn kyo lbb lbk lbl lbo lkb lkl lky llb llk lll lln llo lly lnb lnk lnl lnn lno lob lok lol lon loo loy lyk lyl lyn lyo nbb nbk nbl nbn nbo nkk nkn nko nky nlb nlk nll nln nlo nly nnb nnk nnl nnn nno no- nob nok nol non noo noy nyk nyl nyn nyo nyy ob- obb obk obl obn obo oby okb okk okl oko olb olk oll oln olo oly on- onb onk onl onn ono ony oo- oob ook ool oon ooo oyl oyo ybl yby ykk ykn ylk yll yly ynk ynn yny yob yok yol yon yoo yoy yyb yyy