-up fff ffi ffn ffp ffu fif fii fin fip fiu fnf fni fnn fnp fnu fpi fpn fpp fpu fuf fui fun fup fuu i-f iff ifi ifn ifp ifu iif iii iin iip iiu in- inf ini inn inp inu ipf ipi ipn ipp ipu iu- iui iup n-i nff nfi nfn nfp nfu nif nii nin nip niu nnf nni nnn nnp nnu npf npi npn npp npu nui nun nup nuu p-p pff pfi pfn pfp pfu pif pii pin pip piu pn- pnf pni pnn pnp pnu ppf ppi ppn ppp ppu puf pui pun pup puu uff ufi ufn ufp ufu uif uii uin uip uiu un- unf uni unn unp unu up- upf upi upn upp upu uun uuu