Listen and read.
[e] s$\textbf{e}$cond, tw$\textbf{e}$lfth, tw$\textbf{e}$ntieth, S$\textbf{e}$pt$\textbf{e}$mber, F$\textbf{e}$bruary.
[ɪ] f$\textbf{i}$fth, f$\textbf{i}$fteenth, f$\textbf{i}$fty−f$\textbf{i}$fth, D$\textbf{e}$cember.
[ɜ:] f$\textbf{ir}$st, th$\textbf{ir}$d, b$\textbf{ir}$thday, th$\textbf{ir}$teenth, th$\textbf{ir}$tieth.
[ɔ:] f$\textbf{ou}$r, f$\textbf{ou}$rth, f$\textbf{ou}$rteenth, $\textbf{Au}$gust.
[eɪ] $\textbf{ei}$ght, $\textbf{ei}$ghteenth, $\textbf{A}$pril, M$\textbf{ay}$, tod$\textbf{ay}$.
[aɪ] n$\textbf{i}$ne, n$\textbf{i}$nth, n$\textbf{i}$neteenth, Jul$\textbf{y}$.