SPOROGONIUM

go in is mi mo mu no nu oi om on op or os pi si so um un up us

gin gip gnu goo gor gos gum gun imp ins ion ism mig mir mis mog mon moo mop mor mos mug mun mus nim nip nog nom noo nor nos nus oms ono ons ops ors our pig pin pis piu poi pom poo pro psi pug pun pur pus rig rim rin rip rom rug rum run sim sin sip sir som son sop sou sri sum sun sup ump uns upo ups urn urp

gimp gins gips girn giro gnus goon goop goos gorm gorp grim grin grip grum gums guns imps inro ions iron migs mips mirs miso mogs mono mons moon moor moos mops morn mors mugs muni muns muon nims nips nogs noir noms nori norm nous onos onus oops opus ours pigs ping pins pion pirn piso pois pomo poms pong pons poon poor poos porn pour prig prim prog prom pros pugs pung puns puri purs rigs rims ring rins rips romp roms room roup rugs ruin rump rums rung runs sign simp sing smog smug snip snog snug song soon sori sorn soup sour spin spun spur sumo sump sung umps upon urns urps