eee eek eem eeo eep ees eie eii eik eim eio eip eis eke eki eko ekp eks em- eme emi emk emm emo emp ems eo- eoe eoi eok eom eoo eop eos ep- epe epi epm epo epp eps es- ese esi esk esm eso esp ess ie- iee iei iek iem iep ies iie iii iim iio iip iis ike iki ikk iko iks im- ime imi imm imo imp ims io- ioe ioi iom ioo iop ios ipe ipi ipm ipo ipp ips is- ise isi isk ism iso isp iss ke- kee kei kek kem keo kep kes kie kii kik kim kio kip kis kke kki kkk kkm kkp kks kme kmi kmk kmm kmo kmp kms koe koi kok kom koo kop kos kpe kpi kpk kpm kpo kpp kps kse ksi ksk ksm kso ksp kss m-o mee mei mek mem meo mep mes mi- mie mii mik mim mio mip mis mke mkk mkm mko mkp mks mme mmi mmk mmm mmo mmp mms moe moi mok mom moo mop mos mpe mpi mpk mpm mpo mpp mps mse msi msk msm mso msp mss o-i oee oei oem oeo oep oes oie oii oik oim oio oip ois oke oki okk oko okp oks om- ome omi omm omo omp oms oo- ooi ook oom ooo oop oos op- ope opi opk opm opo opp ops os- ose osi osk osm oso osp oss p-p pee pei pek pem peo pep pes pie pii pik pim pio pip pis pke pki pkm pko pkp pks pme pmi pmk pmm pmo pmp pms poe poi pok pom poo pop pos ppe ppi ppk ppm ppo ppp pps ps- pse psi psk psm pso psp pss se- see sei sek sem seo sep ses sie sii sik sim sio sip sis sk- ske ski skk skm sko skp sks sme smi smk smm smo smp sms soe soi sok som soo sop sos spe spi spk spm spo spp sps ss- sse ssi ssk ssm sso ssp sss