if (/^\.ninja (.+)/) {
    $irivi = lc($1);
    $irivi =~ tr/ÅÄÖ/åäö/;
    $irivi =~ tr/åäöéèü/aaoeeu/;
    $irivi =~ s/[^a-z\- ]//g;
    $irivi =~ s/\s+$//;
    $irivi =~ s/\s\s/ /g;
    %ninjanames = qw( a KA b ZU  c MI  d TE e KU f LU g JI h RI i KI j ZU
                      k ME l TA  m RIN n TO o MO p NO q KE r SHI s ARI
                      t CHI u DO v RU w MEI x NA y FU z ZI );
    for (keys %ninjanames) {
      $irivi =~ s/$_/$ninjanames{$_}/g;
    }
    $irivi .= "!";
  }