-er -up eee eem een eeo eep eer ees em- eme emm emn emo emp emr ems emu en- ene enm enn eno enp enr ens enu eo- eoe eom eon eoo eop eor eos eou ep- epe epm epn epo epp epr eps epu ere erm ern ero erp err ers eru es- ese esm esn eso esp esr ess esu eu- eue eun eup eur eus m-o m-r mee mem men meo mep mer mes meu mme mmm mmn mmo mmp mmr mms mmu mne mnm mnn mno mnp mnr mns mnu moe mom mon moo mop mor mos mou mpe mpm mpn mpo mpp mpr mps mpu mre mrm mrn mro mrp mrr mrs mru mse msm msn mso msp msr mss msu mue mum mun mup mur mus muu ne- nee nem nen neo nep ner nes neu nme nmm nmn nmo nmp nmr nms nmu nne nnm nnn nno nnp nns nnu no- noe nom non noo nop nor nos nou npe npm npn npo npp npr nps npu nre nrm nrn nro nrp nrr nrs nru nse nsm nsn nso nsp nsr nss nsu nue num nun nuo nup nur nus nuu oee oem oen oeo oep oer oes om- ome omm omn omo omp omr oms omu on- one onn ono onp onr ons onu oo- oom oon ooo oop oor oos op- ope opm opn opo opp opr ops or- ore orm orn oro orp orr ors oru os- ose osm osn oso osp osr oss osu ou- oue oum oun ouo oup our ous p-p pee pem pen peo pep per pes peu pme pmm pmn pmo pmp pmr pms pmu pn- pne pnm pnn pno pnp pnr pns pnu poe pom pon poo pop por pos pou ppe ppm ppn ppo ppp ppr pps ppu pre prm prn pro prp prr prs pru ps- pse psm psn pso psp psr pss psu pue pum pun pup pur pus puu re- ree rem ren reo rep rer res reu rme rmm rmn rmo rmp rmr rms rnm rnn rno rnp rnr rns rnu roe rom ron roo rop ror ros rou rpe rpm rpn rpo rpp rpr rps rpu rrm rrn rrp rrr rrs rru rse rsm rsn rso rsp rsr rss rsu rue rum run ruo rup rur rus ruu se- see sem sen seo sep ser ses seu sme smm smn smo smp smr sms smu sne snm snn sno snp snr sns snu soe som son soo sop sor sos sou spe spm spn spo spp spr sps spu sr- sre srm srn sro srp srr srs ss- sse ssm ssn sso ssp ssr sss ssu sue sum sun suo sup sur sus suu uee uem uen uep uer ues um- ume umm umn umo ump umr ums umu un- une unm unn uno unp unr uns unu uoe uom uon uoo uop uor uos up- upe upm upn upo upp upr ups upu ur- ure urm urn uro urp urr urs uru use usm usn uso usp usr uss usu uue uum uun uur uus uuu