SEMIOPEN

em en es in is me mi mo ne no oe oi om on op os pe pi si so

eme ems ens eon imp ins ion ism men mis mon mop mos nee nim nip nom nos oes oms one ons ope ops ose pee pen pes pie pin pis poi pom psi see sei sen sim sin sip som son sop

emes eons epos esne imps ions meno mien mine mips mise miso mons mope mops neem neep nims nips noes nome noms nope nose omen ones open opes peen pees pein pens peon peso pies pine pins pion piso poem pois pome poms pone pons pose seem seen seep seme semi sene simp sine sipe snip some sone spin