%option nounput noinput

Z [zZ]
Q [qQ]
X [xX]
   /* au moins 1 z, 1 q , 1x */
   /* 6 occurences des /usr/share/dict/words */
%%
.*{Z}.*{Q}.*{X}.*\n  |
.*{Z}.*{X}.*{Q}.*\n  |
.*{Q}.*{Z}.*{X}.*\n  |
.*{Q}.*{X}.*{Z}.*\n  |
.*{X}.*{Q}.*{Z}.*\n  |
.*{X}.*{Z}.*{Q}.*\n  printf(" %s",yytext);
.|\n	    	 ;
%%

int yywrap(void) { return 1; }
int main(int argc, char *argv[]) { while (yylex()!=0) ; return 0; }