Currently, only two letters are missing for covering the standard Latin alphabet in Unicode. But DejaVu Sans Mono only support two of them. So please add ᴀ ᴄ ᴅ ᴇ ꜰ ᴊ ᴋ ᴍ ᴏ ᴘ ꜱ ᴛ ᴜ ᴠ ᴡ ᴢ
Additionally it might worth to consider ᴁ ꭥ ʛ ᴌ ᴚ ᴙ ᴐ ᴎ ᴃ ᴣ ᴦ ᴧ ᴨ ᴩ ᴪ ᴫ ᵻ ᵾ
ʛ ᵻ are already included sorry.