This script does exact text comparison:
On *:input:#:{
- if (.* !iswm $1) { return }
if ($1- == .ncn) { splay ncn.wav }
if ($1- == .great) { splay great.wav }
if ($1- == .nice) { splay nice.wav }
if ($1- == .nice1) { splay nice1.wav }
if ($1- == .nice2) { splay nice2.wav }
}