Leety

Background and Dialects
7h3 3x4c7 0r1g1n 0f L337y 15 unkn0wn, bu7 17 15 7h30r1z3d 7h47 17 w45 7h3 pr0duc7 0f 4n 150L473d gr0up 0f 1227 h4x0rz 0f muL71pL3 n4710n4L17135.......Other than the standard dialect, a radically different dialect, #4^^4117y has somehow sprung up in Hawaii.

Nouns
Nouns only decline to number. They are dualized with '5' and are pluralized with '2'

N3g4710n
Just put 'Q4' after the subject

C0njunc710n5
All conjunctions are followed by 'K4'

Pr3p051710n5
All prepositions are followed by 'D4'

Lexicon
L337y L3x1c0n