-up eee eek eem eep ees eke ekp eks eku em- eme emk emm emp ems emu ep- epe epm epp eps epu es- ese esk esm esp ess esu eu- eue eup eus ke- kee kek kem kep kes kke kkk kkm kkp kks kku kme kmk kmm kmp kms kmu kpe kpk kpm kpp kps kpu kse ksk ksm ksp kss ksu kue kuk kum kup kus kuu mee mek mem mep mes meu mke mkk mkm mkp mks mku mme mmk mmm mmp mms mmu mpe mpk mpm mpp mps mpu mse msk msm msp mss msu mue muk mum mup mus muu p-p pee pek pem pep pes peu pke pkm pkp pks pku pme pmk pmm pmp pms pmu ppe ppk ppm ppp pps ppu ps- pse psk psm psp pss psu pue puk pum pup pus puu se- see sek sem sep ses seu sk- ske skk skm skp sks sku sme smk smm smp sms smu spe spk spm spp sps spu ss- sse ssk ssm ssp sss ssu sue suk sum sup sus suu uee uem uep ues uke ukk ukp uku um- ume umm ump ums umu up- upe upk upm upp ups upu use usk usm usp uss usu uue uum uus uuu