-up fff ffi ffn ffp ffs ffu fif fii fin fip fis fiu fnf fni fnn fnp fns fnu fpi fpn fpp fps fpu fsf fsi fsn fsp fss fsu fuf fui fun fup fus fuu i-f iff ifi ifn ifp ifs ifu iif iii iin iip iis iiu in- inf ini inn inp ins inu ipf ipi ipn ipp ips ipu is- isf isi isn isp iss isu iu- iui iup ius n-i nff nfi nfn nfp nfs nfu nif nii nin nip nis niu nnf nni nnn nnp nns nnu npf npi npn npp nps npu nsf nsi nsn nsp nss nsu nui nun nup nus nuu p-p pff pfi pfn pfp pfs pfu pif pii pin pip pis piu pn- pnf pni pnn pnp pns pnu ppf ppi ppn ppp pps ppu ps- psf psi psn psp pss psu puf pui pun pup pus puu sff sfi sfn sfp sfs sfu sif sii sin sip sis siu snf sni snn snp sns snu spf spi spn spp sps spu ss- ssf ssi ssn ssp sss ssu suf sui sun sup sus suu uff ufi ufn ufp ufs ufu uif uii uin uip uis uiu un- unf uni unn unp uns unu up- upf upi upn upp ups upu usf usi usn usp uss usu uun uus uuu