Independent personal pronouns are stressed and never have a reduced form (mwen, wou, li, nou, nou, yo). Dependent personal pronouns may have a reduced form (m, w, l, n, n, y).
Source: Fattier 1996: 230
Source: Fattier 1996: 231
Source: Dejean 1982: 12
Source: Fattier 1995: 145
Source: Desmarattes 1983: 22
Source: Cadely 1995: 10
Source: Valdman et al. (eds.) 2007: 502