Niccals
Niccals are a type of cryptogram developed by Swiss philologist and cryptographer Wilfried Nippel and his American colleague Nicola S. in the 1970s. The niccal is a mesostic poem, which means that the first letter of each line spells out a word or phrase. However, unlike a traditional mesostic poem, the word or phrase is hidden in the middle of the word being spelled out, rather than at the top or bottom.
In a niccal, the word to be deciphered is typically hidden horizontally within a larger phrase or
Niccals have been used in various forms of literature and cryptography, but are not as widely popular