Based on stoper, new words formed by adding one letter at the beginning or end:
a - esparto proteas seaport c - copters prosect d - deports redtops sported h - pothers strophe thorpes i - prostie reposit riposte ropiest j - projets l - petrols replots m - stomper trompes n - postern u - petrous posture pouters proteus spouter troupes w - powters prowest x - exports z - potzers
