Unscramble NITPRO

inport tropin

intro iortn nitro norit orpin orpit pinot pinto pirot piton point porin potin print prion proin roint

inro into intr iron nipt nito noir nori oint pino pint pion piot pirn pont porn port poti prin prio pron riot ript roin roit ront roti tiro topi tori torn trin trio trip tron trop

int ion ipr irp nip nit nor not oni ont opt orn ort pin pir pit poi pon por pot prn pro rin rio rip rit roi rot rpt rti tin tip toi ton top tor tpi tri trp

in io ir it ni no np nr nt oi on op or ot pi po pr pt rn ro rt ti tn to tp tr