-er eee eek eem een eep eer ees eie eii eik eim ein eip eir eis eke eki ekp ekr eks em- eme emi emk emm emn emp emr ems en- ene eni enk enm enn enp enr ens ep- epe epi epm epn epp epr eps ere eri erk erm ern erp err ers es- ese esi esk esm esn esp esr ess ie- iee iei iek iem ien iep ier ies iie iii iim iin iip iir iis ike iki ikk ikr iks im- ime imi imm imn imp ims in- ine ini ink inm inn inp inr ins ipe ipi ipm ipn ipp ipr ips ir- ire iri irk irm irn irp irr irs is- ise isi isk ism isn isp isr iss ke- kee kei kek kem ken kep ker kes kie kii kik kim kin kip kir kis kke kki kkk kkm kkn kkp kkr kks kme kmi kmk kmm kmp kms kn- kne kni knk knm knn knp knr kpe kpi kpk kpm kpn kpp kpr kps kri krk krn krp krr krs kse ksi ksk ksm ksn ksp ksr kss m-r mee mei mek mem men mep mer mes mi- mie mii mik mim min mip mir mis mke mkk mkm mkn mkp mkr mks mme mmi mmk mmm mmn mmp mmr mms mne mni mnk mnm mnn mnp mnr mns mpe mpi mpk mpm mpn mpp mpr mps mre mri mrk mrm mrn mrp mrr mrs mse msi msk msm msn msp msr mss n-i ne- nee nei nek nem nen nep ner nes nie nii nik nim nin nip nir nis nke nki nkk nkm nkn nkp nkr nks nme nmi nmk nmm nmn nmp nmr nms nne nni nnk nnm nnn nnp nns npe npi npm npn npp npr nps nre nri nrk nrm nrn nrp nrr nrs nse nsi nsk nsm nsn nsp nsr nss p-p pee pei pek pem pen pep per pes pie pii pik pim pin pip pir pis pke pki pkm pkn pkp pkr pks pme pmi pmk pmm pmn pmp pmr pms pn- pne pni pnk pnm pnn pnp pnr pns ppe ppi ppk ppm ppn ppp ppr pps pre pri prk prm prn prp prr prs ps- pse psi psk psm psn psp psr pss re- ree rei rek rem ren rep rer res rie rii rik rim rin rip rir ris rke rkk rkm rkp rks rme rmi rmm rmn rmp rmr rms rni rnm rnn rnp rnr rns rpe rpi rpk rpm rpn rpp rpr rps rri rrk rrm rrn rrp rrr rrs rse rsi rsk rsm rsn rsp rsr rss se- see sei sek sem sen sep ser ses sie sii sik sim sin sip sir sis sk- ske ski skk skm skp skr sks sme smi smk smm smn smp smr sms sne sni snk snm snn snp snr sns spe spi spk spm spn spp spr sps sr- sre sri srk srm srn srp srr srs ss- sse ssi ssk ssm ssn ssp ssr sss