-up iii iin iio iip iir iis iiu in- ini inn ino inp inr ins inu io- ioi ion ioo iop ior ios iou ipi ipn ipo ipp ipr ips ipu ir- iri irn iro irp irr irs iru is- isi isn iso isp isr iss isu iu- iui iup iur ius n-i nii nin nio nip nir nis niu nni nnn nno nnp nns nnu no- noi non noo nop nor nos nou npi npn npo npp npr nps npu nri nrn nro nrp nrr nrs nru nsi nsn nso nsp nsr nss nsu nui nun nuo nup nur nus nuu o-i oii oin oio oip oir ois oiu on- oni onn ono onp onr ons onu oo- ooi oon ooo oop oor oos op- opi opn opo opp opr ops or- ori orn oro orp orr ors oru os- osi osn oso osp osr oss osu ou- oui oun ouo oup our ous p-p pii pin pio pip pir pis piu pn- pni pnn pno pnp pnr pns pnu poi pon poo pop por pos pou ppi ppn ppo ppp ppr pps ppu pri prn pro prp prr prs pru ps- psi psn pso psp psr pss psu pui pun pup pur pus puu rii rin rio rip rir ris rni rnn rno rnp rnr rns rnu roi ron roo rop ror ros rou rpi rpn rpo rpp rpr rps rpu rri rrn rrp rrr rrs rru rsi rsn rso rsp rsr rss rsu rui run ruo rup rur rus ruu sii sin sio sip sir sis siu sni snn sno snp snr sns snu soi son soo sop sor sos sou spi spn spo spp spr sps spu sr- sri srn sro srp srr srs ss- ssi ssn sso ssp ssr sss ssu sui sun suo sup sur sus suu uii uin uio uip uir uis uiu un- uni unn uno unp unr uns unu uon uoo uop uor uos up- upi upn upo upp upr ups upu ur- uri urn uro urp urr urs uru usi usn uso usp usr uss usu uun uur uus uuu