Frater, an a posteriori international auxiliary language

International auxiliary language

An international auxiliary language or interlanguage is a language meant for communication between people from different nations who do not share a common native language...

, published in Frater (Lingua sistemfrater). The simplest International Language Ever Constructed, in 1957 by the Vietnamese linguist Phạm Xuân Thái. The grammar can be compared to Indonesian language

Indonesian language

Indonesian is the official language of Indonesia. Indonesian is a normative form of the Riau Islands dialect of Malay, an Austronesian language which has been used as a lingua franca in the Indonesian archipelago for centuries....

 grammar.

Pham Xuan Thai gave it more than 6,000 words for the usage of a very extensive vocabulary.

Alphabet

This language uses 18 letters:

"a, e, i, o, u"
"b, d, f, g, j, k, l, m, n, p, r, s, t"

- help for best pronunciation:

"j" is pronounced as"z", "e" as "ei", and "o" as "ou".
All the other letters have their normal pronunciation according to the International Phonetic Alphabet

International Phonetic Alphabet

The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

.