sed '
#!/bin/sed -f
/^digi /  s/nyo[[:punct:]]\?[[:punct:]]\?[[:punct:]]\?$/
/i
/^petit / s/nyu[[:punct:]]\?[[:punct:]]\?[[:punct:]]\?$/
/i
/^rabi / s/^rabi .*\w.*$/
/
/^gema / s/gema[[:punct:]]\?[[:punct:]]\?[[:punct:]]\?$/
/i
/^piyo / s/pyo[[:punct:]]\?[[:punct:]]\?[[:punct:]]\?$/
/i
/
/! s/.*/WRONG!/
/
/ s/.*/CORRECT (maybe)/
'