-ly b-u bbb bbk bbl bbn bbu bby bkb bkk bkl bkn blb blk bll bln blu bly bnb bnk bnl bnn bnu bub buk bul bun buu buy by- byk byl byn byu kbb kbk kbl kbn kbu kkb kkk kkl kkn kku kky kl- klb klu kly kn- knk knl knn knu kub kuk kul kun kuu kuy kyl kyn kyu lbb lbk lbl lbu lkb lkl lky llb llk lll lln llu lly lnb lnk lnl lnn lnu lub luk lul lun luu luy lyk lyl lyn nbb nbk nbl nbn nbu nkk nkn nku nky nlb nlk nll nln nlu nly nnb nnk nnl nnn nnu nub nuk nul nun nuu nuy nyk nyl nyn nyu nyy ubb ubk ubl ubn ubu uby ukb ukk ukl ukn uku ulb ulk ull uln ulu uly un- unb unk unl unn unu uny uun uuu uyu ybl yby ykk ykn ylk yll yly ynk ynn ynu yny yuk yul yun yuu yuy yyb yyu yyy