Letters that make carriage return
a, e, g, n, c, r, t, i, u are letters that make 'carriage return'
Words within carriage return
urn, age, return, re, RN, Ag, ar, RI, turn, carriage, car, Ur, AR, CA, IA, Re, Ar, Ca, Ge, Rn, ret are words within 'carriage return'