-er -up eee een eeo eep eer ees eie eii ein eio eip eir eis eiu en- ene eni enn eno enp enr ens enu eo- eoe eoi eon eoo eop eor eos eou ep- epe epi epn epo epp epr eps epu ere eri ern ero erp err ers eru es- ese esi esn eso esp esr ess esu eu- eue eui eun eup eur eus ie- iee iei ien iep ier ies iie iii iin iio iip iir iis iiu in- ine ini inn ino inp inr ins inu io- ioe ioi ion ioo iop ior ios iou ipe ipi ipn ipo ipp ipr ips ipu ir- ire iri irn iro irp irr irs iru is- ise isi isn iso isp isr iss isu iu- iue iui iup iur ius n-i ne- nee nei nen neo nep ner nes neu nie nii nin nio nip nir nis niu nne nni nnn nno nnp nns nnu no- noe noi non noo nop nor nos nou npe npi npn npo npp npr nps npu nre nri nrn nro nrp nrr nrs nru nse nsi nsn nso nsp nsr nss nsu nue nui nun nuo nup nur nus nuu o-i oee oei oen oeo oep oer oes oie oii oin oio oip oir ois oiu on- one oni onn ono onp onr ons onu oo- ooi oon ooo oop oor oos op- ope opi opn opo opp opr ops or- ore ori orn oro orp orr ors oru os- ose osi osn oso osp osr oss osu ou- oue oui oun ouo oup our ous p-p pee pei pen peo pep per pes peu pie pii pin pio pip pir pis piu pn- pne pni pnn pno pnp pnr pns pnu poe poi pon poo pop por pos pou ppe ppi ppn ppo ppp ppr pps ppu pre pri prn pro prp prr prs pru ps- pse psi psn pso psp psr pss psu pue pui pun pup pur pus puu re- ree rei ren reo rep rer res reu rie rii rin rio rip rir ris rni rnn rno rnp rnr rns rnu roe roi ron roo rop ror ros rou rpe rpi rpn rpo rpp rpr rps rpu rri rrn rrp rrr rrs rru rse rsi rsn rso rsp rsr rss rsu rue rui run ruo rup rur rus ruu se- see sei sen seo sep ser ses seu sie sii sin sio sip sir sis siu sne sni snn sno snp snr sns snu soe soi son soo sop sor sos sou spe spi spn spo spp spr sps spu sr- sre sri srn sro srp srr srs ss- sse ssi ssn sso ssp ssr sss ssu sue sui sun suo sup sur sus suu uee uei uen uep uer ues uie uii uin uio uip uir uis uiu un- une uni unn uno unp unr uns unu uoe uon uoo uop uor uos up- upe upi upn upo upp upr ups upu ur- ure uri urn uro urp urr urs uru use usi usn uso usp usr uss usu uue uun uur uus uuu