-ly -ol b-u bbb bbk bbl bbn bbo bbr bbu bby bkb bkk bkl bkn bko bkr blb blk bll bln blo blr blu bly bnb bnk bnl bnn bno bnr bnu bob bok bol bon boo bor bou boy brb brk brl brn bro brr bru bry bub buk bul bun buo bur buu buy by- byk byl byn byo byr byu kbb kbk kbl kbn kbo kbr kbu kkb kkk kkl kkn kkr kku kky kl- klb klo klr klu kly kn- knk knl knn kno knr knu kob kok kol kon koo kor kou koy krk krl krn kro krr kru kry kub kuk kul kun kur kuu kuy kyl kyn kyo kyr kyu lbb lbk lbl lbo lbr lbu lkb lkl lkr lky llb llk lll lln llo llr llu lly lnb lnk lnl lnn lno lnr lnu lob lok lol lon loo lor lou loy lrb lrk lrn lro lrr lru lry lub luk lul lun luo lur luu luy lyk lyl lyn lyo lyr nbb nbk nbl nbn nbo nbr nbu nkk nkn nko nkr nku nky nlb nlk nll nln nlo nlr nlu nly nnb nnk nnl nnn nno nnu no- nob nok nol non noo nor nou noy nrb nrk nrl nrn nro nrr nru nry nub nuk nul nun nuo nur nuu nuy nyk nyl nyn nyo nyu nyy ob- obb obk obl obn obo obr obu oby okb okk okl oko okr oku olb olk oll oln olo olu oly on- onb onk onl onn ono onr onu ony oo- oob ook ool oon ooo oor or- orb ork orl orn oro orr oru ory ou- ouk oul oun ouo our oyl oyo rbb rbk rbl rbn rbo rbr rbu rkb rkk rko rku rky rll rln rlo rlr rlu rly rnb rnn rno rnr rnu rny rob rok rol ron roo ror rou roy rrb rrk rrl rrn rrr rru rub ruk run ruo rur ruu ruy ry- ryk ryn ryo ryr ryu ryy ubb ubk ubl ubn ubo ubr ubu uby ukb ukk ukl ukn ukr uku ulb ulk ull uln ulo ulr ulu uly un- unb unk unl unn uno unr unu uny uob uok uol uon uoo uor ur- urb urk url urn uro urr uru ury uun uur uuu uyo uyu ybl ybr yby ykk ykn ylk yll ylr yly ynk ynn ynu yny yob yok yol yon yoo yor you yoy yrn yro yru yuk yul yun yuo yur yuu yuy yyb yyu yyy