#include <stdio.h>
int main(){
int i=0;
char *u[10]={"や","ら","な","い","か","？"};
char *k[10]={""," "," "," "," "," "};
while(u[i])
{
printf("%s%s\n",k[i],u[i++]);
}
return 0;
}

エラーが出ます教えてください