/h/ is restricted to morpheme-initial position. It may be dropped by some speakers, either sometimes or always.[3]
/r/ has a few possible realizations:
Apical trill [r] or an apical fricative [ɹ̝] before a stressed vowel in word-initial syllables.[3]
Intervocalically and in the onset after a consonant, it may be a tap [ɾ].[3]
Word-final /r/ is highly variable; the most frequent variants are an apical trill fricative [r̝], an apical fricative [ɹ̝] and an apical rhotic affricate [ɾ͡ɹ̝]. The last two variants tend to be voiceless ([ɹ̝̊,ɾ̥͡θ̠]) in pre-pausal position.[3]
The sequence /ər/ can be realized as [ɐ], as in many varieties of German. Alternatively, /r/ can be dropped: [ə].[4]
/β,j/ appear only word-initially and intervocalically.[3]
Vowels
Monophthongs of the Orsmaal-Gussenhoven dialect, from Peters (2010:241)Non-centering diphthongs of the Orsmaal-Gussenhoven dialect, from Peters (2010:241)Centering diphthongs of the Orsmaal-Gussenhoven dialect, from Peters (2010:241). /ɔə/ is not shown.
When stressed, short vowels cannot occur in open syllables. Exceptions to this rule are high-frequency words like [βa] 'what', and loanwords from French, such as [dəˈpo] 'depot'.[6]
Peters, Jörg (2010), "The Flemish–Brabant dialect of Orsmaal–Gussenhoven", Journal of the International Phonetic Association, 40 (2): 239–246, doi:10.1017/S0025100310000083
