enter 1 for fibonacci enter 2 for tribonacci
so a fibonacci word is one of those things in the project, fibonacci word N is fibonacci word N-1 combined with fibonacci word N-2. The first word is "b" and the next is "a" a tribonacci word is defined that t_N = t_(N-1) combined with t_(N-2) combined with t_(N-3). the first 3 are "c", "b", then "a"
