Listen and read.
[u:] r$\mathbf{\text{oo}}$m, bathr$\mathbf{\text{oo}}$m, living r$\mathbf{\text{oo}}$m, bedr$\mathbf{\text{oo}}$m.
[ɔ:] w$\mathbf{\text{a}}$ll, h$\mathbf{\text{a}}$ll, fl$\mathbf{\text{oor}}$, d$\mathbf{\text{oor}}$, sm$\mathbf{\text{a}}$ll.
[ʧ] $\mathbf{\text{ch}}$eese, $\mathbf{\text{ch}}$air, ki$\mathbf{\text{tch}}$en, tea$\mathbf{\text{ch}}$er, $\mathbf{\text{ch}}$eck.
[æ] h$\mathbf{\text{a}}$s, h$\mathbf{\text{a}}$ve, fl$\mathbf{\text{a}}$t, p$\mathbf{\text{a}}$ntry.
[eə] h$\mathbf{\text{air}}$, wh$\mathbf{\text{ere}}$, th$\mathbf{\text{ere}}$, ch$\mathbf{\text{air}}$, sh$\mathbf{\text{are}}$.