POSITRONIUM

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

imp ins ion ism its mir mis mon moo mop mor mos mot mun mus mut nim nip nit nom noo nor nos not nus nut oms ono ons oot ops opt ors ort our out pin pis pit piu poi pom poo pot pro psi pst pun pur pus put rim rin rip rom rot rum run rut sim sin sip sir sit som son sop sot sou sri sum sun sup tin tip tis tom ton too top tor tui tun tup ump uns upo ups urn urp uts

impi imps inro inti into ions iris iron mini mint mips miri mirs miso mist mono mons moon moor moos moot mops morn mors mort most mots muni muns muon must muts nims nips nisi nits noir noms nori norm nous nuts omit onos onto onus oops oots opts opus orts ours oust outs pins pint pion pirn piso pits pois pomo poms pons poon poor poos porn port post pots pour pout prim prom pros ptui puns punt puri purs puts rims rins riot rips romp roms room root roti roto rots roup rout ruin rump rums runs runt rust ruts simp smit smut snip snit snot soon soot sori sorn sort soup sour spin spit spot spun spur stir stop stum stun suit sumo sump tins tipi tips tiro toms tons toom toon topi topo tops tori torn toro tors tour trim trio trip trop tuis tump tuns tups turn umps unit unto upon urns urps