Listen and read.
[ɑ:] f$\mathbf{\text{a}}$ther, grandf$\mathbf{\text{a}}$ther, grandp$\mathbf{\text{a}}$, grandm$\mathbf{\text{a}}$, st$\mathbf{\text{ar}}$.
[ʌ] m$\mathbf{\text{o}}$ther, grandm$\mathbf{\text{o}}$ther, br$\mathbf{\text{o}}$ther, s$\mathbf{\text{o}}$n, grands$\mathbf{\text{o}}$n.
[æ] gr$\mathbf{\text{a}}$ndmother, gr$\mathbf{\text{a}}$ndfather, d$\mathbf{\text{a}}$d, gr$\mathbf{\text{a}}$ndma, gr$\mathbf{\text{a}}$ndpa, .f$\mathbf{\text{a}}$mily.
[ɔ:] d$\mathbf{\text{au}}$ghter, grandd$\mathbf{\text{au}}$ghter, f$\mathbf{\text{or}}$, dr$\mathbf{\text{aw}}$, w$\mathbf{\text{a}}$ter.