SORPTIONS

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ins ion its nip nit noo nor nos not ono ons oot ops opt ors ort pin pis pit poi poo pot pro psi pst rin rip rot sin sip sir sis sit son sop sos sot sri tin tip tis ton too top tor

inro into ions iron nips nits noir nori onos onto oops oots opts orts pins pint pion pirn piso piss pits pois pons poon poor poos porn port post pots pros psis psst rins riot rips root roti roto rots sins sips sirs sits snip snit snot sons soon soot sops sori sorn sort sots spin spit spot sris stir stop tins tips tiro tons toon topi topo tops tori torn toro tors toss trio trip trop