-ly -ol bbb bbk bbl bbn bbo bbr bby bkb bkk bkl bkn bko bkr blb blk bll bln blo blr bly bnb bnk bnl bnn bno bnr bob bok bol bon boo bor boy brb brk brl brn bro brr bry by- byk byl byn byo byr kbb kbk kbl kbn kbo kbr kkb kkk kkl kkn kkr kky kl- klb klo klr kly kn- knk knl knn kno knr kob kok kol kon koo kor koy krk krl krn kro krr kry kyl kyn kyo kyr lbb lbk lbl lbo lbr lkb lkl lkr lky llb llk lll lln llo llr lly lnb lnk lnl lnn lno lnr lob lok lol lon loo lor loy lrb lrk lrn lro lrr lry lyk lyl lyn lyo lyr nbb nbk nbl nbn nbo nbr nkk nkn nko nkr nky nlb nlk nll nln nlo nlr nly nnb nnk nnl nnn nno no- nob nok nol non noo nor noy nrb nrk nrl nrn nro nrr nry nyk nyl nyn nyo nyy ob- obb obk obl obn obo obr oby okb okk okl oko okr olb olk oll oln olo oly on- onb onk onl onn ono onr ony oo- oob ook ool oon ooo oor or- orb ork orl orn oro orr ory oyl oyo rbb rbk rbl rbn rbo rbr rkb rkk rko rky rll rln rlo rlr rly rnb rnn rno rnr rny rob rok rol ron roo ror roy rrb rrk rrl rrn rrr ry- ryk ryn ryo ryr ryy ybl ybr yby ykk ykn ylk yll ylr yly ynk ynn yny yob yok yol yon yoo yor yoy yrn yro yyb yyy