Listen, repeat and remember.
[i:] – r$\textbf{ea}$ch, t$\textbf{ea}$m, cr$\textbf{ea}$ture, s$\textbf{ea}$l, b$\textbf{ea}$ch, d$\textbf{ee}$pest, centim$\textbf{e}$ters
[ʌ] − m$\textbf{o}$nth, n$\textbf{o}$thing, s$\textbf{o}$mething, aqual$\textbf{u}$ng, $\textbf{u}$nforgettable
[ɜ:] − f$\textbf{ir}$st, s$\textbf{ur}$face, res$\textbf{ear}$ch, b$\textbf{ur}$nt, t$\textbf{ur}$tle
[ʤ] − dan$\textbf{g}$erous, $\textbf{J}$apan, intelli$\textbf{g}$ent, ima$\textbf{g}$e, $\textbf{ j}$ellyfish