Languages of the European Union languages, Latvian and Lithuanian; the Celtic languages, including Irish; and Greek are also Indo-European. Outside the Indo-European family, Estonian, Finnish, and Hungarian are Uralic languages while Maltese is the only Afroasiatic language with official status in the EU. The Basque language, a language isolate whose roots are unknown, is an official language in some parts of northern Spain, but not an official language of the EU. Most official EU languages are written in the Latin script. The two exceptions are Greek, which is written in the Greek script, and Bulgarian, which is written in Cyrillic script. With the accession of
Finnish language "vesi" in standard Finnish. A feature of Finnic phonology is the development of labial and rounded vowels in non-initial syllables, as in the word "tyttö". Proto-Uralic had only 'a' and 'i' and their vowel harmonic allophones in non-initial syllables; modern Finnish allows other vowels in non-initial syllables, although they are uncommon compared to 'a', 'ä' and 'i'. Characteristic features of Finnish (common to some other Uralic languages) are vowel harmony and an agglutinative morphology; owing to the extensive use of the latter, words can be quite long. The main stress is always on the first syllable, and it is articulated