One candidate is Rotokas, a language spoken in Papua New Guinea with just 12 letters.

The Rotokas alphabet has just 12 letters, all taken from the Latin alphabet. The language itself has three distinct dialects.

The language with the smallest alphabet is Rotokas, spoken in Papua New Guinea, with only 12 letters.

The language with the fewest vowel sounds is Rotokas, a language spoken in Papua New Guinea. It has only six vowel sounds.

The language with the smallest alphabet is probably Rotokas, a language spoken in Papua New Guinea, which has only 12 letters in its alphabet.