PARSIMONIOUS

ai am an ar as in is ma mi mo mu na no nu oi om on op or os pa pi si so um un up us

aim ain air ais ami amp amu ani apo arm ars asp ass imp ins ion ism man map mar mas mir mis moa mon moo mop mor mos mun mus nam nap nim nip nom noo nor nos nus oar oms ono ons ops ora ors our pam pan par pas pia pin pis piu poi pom poo pro psi pun pur pus rai ram ran rap ras ria rim rin rip rom rum run sap sau sim sin sip sir sis som son sop sos sou spa sri sum sun sup ump uns upo ups urn urp

aims ains airn airs amin amir amis amps amus anis anus apos arms arum asps impi imps inia inro ions iris iron isms main mair mano mans maps mars mass maun mina mini mips miri mirs miso miss moan moas mono mons moon moor moos mops mora morn mors moss muni muns muon mura muss naoi naos naps nims nipa nips nisi noir noma noms nori norm nous oars onos onus oops opus osar ossa ours pain pair pams pans pars pass pian pias pima pina pins pion pirn piso piss pois pomo poms pons poon poor poos porn pour pram prao prau prim proa prom pros psis puma puna puns puri purs puss rain rais rami ramp rams rani raps rasp rias rims rins rips roam roan romp roms room roup ruin rump rums runs sain samp sans saps sari sima simp sims sins sips sirs snap snip soap soar soma soms sons soon sops sora sori sorn soup sour sous spam span spar spas spin spun spur sris sumo sump sums suns sups sura umps unai upas upon urns urps ursa