Unscramble OONTRIS

isotron nitroso orisont torsion

intros nitros norito nostoi nostro orison rotons toison tonsor

instr intro iortn irons isort nitos nitro noirs nooit noris norit oints oonts orion ornis riots roins roint roist ronts roons roost rooti roots rosin rosit rosti rotis roton rotos sinto snirt snoot snort stion stoon stoor tiros toons toros torsi torso trins trios trois trons

inro inst into intr ions iron isnt nist nito nits noir noot nori nost nots oint onos onst onto oons oont oots orts otis rins riot rist rits roin roit ront roon roos root rost roti roto rots sion sirt snit snot soir soon soot sori sorn sort stir stor tins tiro tons toon tori torn toro tors trin trio tron

ins int ion ios irs isn iso ist its nis nit noo nor nos not ois oni ono ons ont oon oor oos oot orn ors ort osi ost rin rio ris rit roi roo ros rot rti sin sir sit son sot sri str tin tis toi ton too tor tos tri trs tsi

in io ir is it ni no nr ns nt oi on oo or os ot rn ro rs rt si sn so sr st ti tn to tr ts