-up iii iin iip iir iiu in- ini inn inp inr inu ipi ipn ipp ipr ipu ir- iri irn irp irr iru iu- iui iup iur n-i nii nin nip nir niu nni nnn nnp nnu npi npn npp npr npu nri nrn nrp nrr nru nui nun nup nur nuu p-p pii pin pip pir piu pn- pni pnn pnp pnr pnu ppi ppn ppp ppr ppu pri prn prp prr pru pui pun pup pur puu rii rin rip rir rni rnn rnp rnr rnu rpi rpn rpp rpr rpu rri rrn rrp rrr rru rui run rup rur ruu uii uin uip uir uiu un- uni unn unp unr unu up- upi upn upp upr upu ur- uri urn urp urr uru uun uur uuu