IMPULSORY

is li lo mi mo mu my oi om op or os oy pi si so um up us yo

imp ism lip lis lop lum mil mir mis mol mop mor mos mus oil oms ops ors our pis piu ply poi pol pom pro pry psi pul pur pus rim rip rom rum sim sip sir sly sol som sop sou soy spy sri sum sup ump upo ups urp yip yom you yum yup

imps limo limp limy lips lisp lops lory loup lour lump lums milo mils mips mirs miry miso moil mols moly mops mopy mors oils oily opus ours pily piso ploy plum plus pois pols poly poms posy pour prim prom pros puli puls puri purl purs pyro rims rimy rips roil romp roms ropy rosy roup ruly rump rums silo simp slim slip slop slum slur soil soli sori soul soup sour spry spur sumo sump syli umps urps yips your yous yups