Word is that none of these secret letters form a meaningful word, but NUN, that starts Surah 68 the Pen, is an exception. It is a real word, meaning either ‘fish' or ‘pen'. So you'll find people explaining it in the first line:
(1) NUN. By the pen and what the (angels) write. To mean:(a) NuN is meaningless ,
(b) Nun, meaning ‘pen' gives the chapter its name
(c) Nun, meaning ‘fish' refers to verse 48 which mentions Jonah,...or...
(d) since it also can mean ‘inkstand', we get
(1) By the inkstand and the pen and that which they write!"inerrant and perfect Word" Pffft! Here's another inerrant and perfect word that I like: Bullshit!