The length of 35 characters means this is not a transposition path we’ll need to follow.
[hint]
La la laa … “Now I know my ABC’s. Next time won’t you sing with me” … la la laa…
[/hint]
Spoiler
Convert each letter to an alphabet index where A = 25 and Z = 0 5 17 16 6 7 8 5 3 6 8 7 3 7 0 7 0 7 3 6 7 8 5 7 6 8 4 8 4 5 0 6 5 5 17 9
Group up the numbers into pairs 51 71 66 78 53 68 73 70 70 73 67 85 76 84 84 50 65 51 79
Convert from decimal to ASCII 3GBN5DIFFICULTT2A3O
As a side note: One way of noticing that this decoding path is needed is that when you Atbash the text, notice that the resulting characters have alphabet index values that look like the Decimal values for numbers and letters.
Code #2
Observations
Only two numbers in the code and it is too long to hide away the other two numbers via transposition.
So some form of conversion will be needed.
[hint]
What do you see when you first hear, then feel the letters?
[/hint]
Spoiler
First convert it all to Morse .--. ..--- ..- -.-. -.-- .-.. ..-. -.-. .-.. -.-. -.-- -..- -... -.-- -.-. -.-. .---- -..- -..- ..- -.-- -.-. --.- -... --.- ..
Ignoring the spaces, make groups of 6. .--... ---..- -.-.-. --.-.. ..-.-. -..-.. -.-.-. ---..- -...-. ---.-. -.-..- ----.. --..-. .--.-- -.-.-- .--... --.-..
Braille is “written” as 14
25
36
so reading our code as .--... 123456
and seeing . as blank and - as bumps, convert the entire thing to Braille. 2 v o f 9 c o v e r u p h 7 z 2 f
Reading the Braille out gives us the final code 2vof9coveruph7z2f
Code #3
Observations
[hint]
Just follow the instructions 😉
[/hint]
Spoiler
The keyword here tells us exactly what to do: Mirror it, aka reverse.
Reverse the prefix and suffix for the final code 3aou3mirrork2j4r
