riddles
rid-dles
verb
To pierce something with many holes, or permeate it thoroughly with something.
"The old theory riddles with inconsistencies."
noun
Questions or statements designed to test ingenuity, often with a clever answer.
"Children love telling riddles to each other."
Thesaurus
Synonyms: riddle, enigma, conundrum, brain-teaser, screen, diffuse, interpenetrate, penetrate, pervade, imbue, permeate