-up fff ffk ffn ffp ffu fkf fkk fkp fnf fnk fnn fnp fnu fpk fpn fpp fpu fuf fuk fun fup fuu kff kfu kkk kkn kkp kku kn- knf knk knn knp knu kpf kpk kpn kpp kpu kuk kun kup kuu nff nfk nfn nfp nfu nkf nkk nkn nkp nku nnf nnk nnn nnp nnu npf npn npp npu nuk nun nup nuu p-p pff pfk pfn pfp pfu pkf pkn pkp pku pn- pnf pnk pnn pnp pnu ppf ppk ppn ppp ppu puf puk pun pup puu uff ufn ufp ufu ukf ukk ukn ukp uku un- unf unk unn unp unu up- upf upk upn upp upu uun uuu