These Malay phonems don't exist in Arabic:

To type directly with the computer keyboard:

• For the emphatic letters, use uppercase
  example: H, S, D, T, Z
• To add a diacritical mark, type an apostrophe
  example: t', H', d', s', S', T', g', k', h', n' (ou ñ)
  or 2 apostrophes: g'' (ou N)