-ly -ol bbb bbi bbk bbl bbn bbo bbr bby bi- bib bii bik bil bin bio bir biy bkb bkk bkl bkn bko bkr blb bli blk bll bln blo blr bly bnb bni bnk bnl bnn bno bnr bob boi bok bol bon boo bor boy brb bri brk brl brn bro brr bry by- byi byk byl byn byo byr ibb ibi ibk ibl ibn ibo ibr iby iib iii iil iin iio iir ikb iki ikk ikl iko ikr il- ilb ili ilk ill iln ilo ilr ily in- inb ini ink inl inn ino inr iny io- iob ioi iol ion ioo ior ir- irb iri irk irl irn iro irr iry iyo iyr iyy kbb kbi kbk kbl kbn kbo kbr kib kii kik kil kin kio kir kkb kki kkk kkl kkn kkr kky kl- klb kli klo klr kly kn- kni knk knl knn kno knr kob koi kok kol kon koo kor koy kri krk krl krn kro krr kry kyl kyn kyo kyr lbb lbi lbk lbl lbo lbr lib lii lik lil lin lio lir lkb lkl lkr lky llb lli llk lll lln llo llr lly lnb lni lnk lnl lnn lno lnr lob loi lok lol lon loo lor loy lrb lri lrk lrn lro lrr lry lyk lyl lyn lyo lyr n-i nbb nbi nbk nbl nbn nbo nbr nib nii nik nil nin nio nir nki nkk nkn nko nkr nky nlb nli nlk nll nln nlo nlr nly nnb nni nnk nnl nnn nno no- nob noi nok nol non noo nor noy nrb nri nrk nrl nrn nro nrr nry nyk nyl nyn nyo nyy o-i ob- obb obi obk obl obn obo obr oby oib oii oik oil oin oio oir okb oki okk okl oko okr olb oli olk oll oln olo oly on- onb oni onk onl onn ono onr ony oo- oob ooi ook ool oon ooo oor or- orb ori ork orl orn oro orr ory oyi oyl oyo rbb rbi rbk rbl rbn rbo rbr rib rii rik ril rin rio rir riy rkb rkk rko rky rli rll rln rlo rlr rly rnb rni rnn rno rnr rny rob roi rok rol ron roo ror roy rrb rri rrk rrl rrn rrr ry- ryk ryn ryo ryr ryy ybi ybl ybr yby yii yin yio yir yki ykk ykn yli ylk yll ylr yly ynk ynn yny yob yoi yok yol yon yoo yor yoy yrn yro yyb yyy