COMPULSORILY

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cis col coo cop cor cos coy cru cry cum cup cur icy ill imp ism lip lis loo lop lum mic mil mir mis moc mol moo mop mor mos mus myc oil oms ops orc ors our pic pis piu ply poi pol pom poo pro pry psi pul pur pus rim rip roc rom rum sic sim sip sir sly sol som sop sou soy spy sri sum sup ump upo ups urp yip yom you yum yup

clip clop cloy coil coir cols coly comp cool coop coos cops copy corm cors cory cosy coup coys cris crop crus cull culm cups curl curs cusp ills illy imps lilo lily limo limp limy lips lisp loci loco loom loop loos lops lory loup lour lump lums mics mill milo mils mips mirs miry miso mocs moil moll mols moly mool moor moos mops mopy mors mull mycs oils oily olio oops opus orcs ours pics pill pily piso ploy plum plus poco pois poll polo pols poly pomo poms pool poor poos posy pour prim prom pros puli pull puls puri purl purs pyic pyro rill rims rimy rips rocs roil roll romp roms room ropy rosy roup ruly rump rums scop scry scum scup sill silo simp slim slip slop slum slur soil soli solo sori soul soup sour spic spry spur sumo sump syli umps uric urps yill yips your yous yups