All stop sounds (except for /ʔ/) and fricatives /s, ʃ/, may also be prenasalized in both word-initial and word-medial positions as /ᵐb, ⁿd, ᶮdʒ, ᵑɡ/.[3][4]
^Ridwan, Farida M.; Mulae, Sunaidin O.; Asriyani, Sherly (2020). Phonological Variation of Taliabu Language Dialects. Retorika Jurnal Bahasa Sastra dan Pengajarannya.
^Blust, Robert (1981). The Soboyo Reflexes of Proto-Austronesian *S. Historical Linguistics in Indonesia, Part 1. pp. 21–30.((cite book)): CS1 maint: location (link)
Further reading
Fortgens, J. (1921). Bijdrage tot de kennis van het Sobojo (eiland Taliabo, Soela-groep) [Contribution to knowledge of Sobojo, on Taliabo, Sula islands] (in Dutch). Den Haag: Martinus Nijhoff.