SUPERUNIT

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ens ern ers ins ire its net nip nit nus nut pen per pes pet pie pin pis pit piu psi pst pun pur pus put rei rep res ret rin rip rue run rut sei sen ser set sin sip sir sit sri sue sun sup ten tie tin tip tis tui tun tup uns ups urn urp use ute uts

erns erst etui ires nest nets nips nite nits nuts pein pens pent peri pert pest pets pier pies pine pins pint pirn pits ptui puns punt pure puri purs puts rein reis rent reps rest rets rins ripe rips rise rite rues ruin rune runs runt ruse rust ruts sent sept sine sipe sire site snip snit spin spit spue spun spur step stir stun suer suet suit supe sure tens tern tier ties tine tins tips tire tres trip true tuis tune tuns tups turn unit urns urps urus user utes