-ey -up eee eek eep ees eey eke ekp eks eku eky ep- epe epp eps epu es- ese esk esp ess esu esy eu- eue eup eus eye eyp eys ke- kee kek kep kes key kke kkk kkp kks kku kky kpe kpk kpp kps kpu kse ksk ksp kss ksu kue kuk kup kus kuu kuy kye kyp kys kyu p-p pee pek pep pes peu pey pke pkp pks pku pky ppe ppk ppp pps ppu ps- pse psk psp pss psu psy pue puk pup pus puu puy py- pye pyk pys pyu se- see sek sep ses seu sey sk- ske skk skp sks sku sky spe spk spp sps spu spy ss- sse ssk ssp sss ssu sue suk sup sus suu suy sy- sye syk syp sys syu uee uep ues uey uke ukk ukp uku up- upe upk upp ups upu use usk usp uss usu uue uus uuu uys uyu yee yek yep yes yey ykk yps ypu yse ysk ysp yss ysu ysy yue yuk yup yus yuu yuy yye yys yyu yyy