Mystery text = "kiss me"
input:  5
output: l

input:  4
output: li

input:  7
output: lit

input: 7
ouput: lips

input:  -     # correct word length, wrong word
output: kiss

input:  +     # correct word
output: kiss  # clusmy interface - repeats correct word

input:  6
output: n

input:  3
output: of

input:  -     # correct word length, wrong word
output: me

input:  +     # correct word
output: me    # clusmy interface - repeats correct word