#include<bits/stdc++.h>
using namespace std;
char F[100][4]={ "UUU" ,"UUC"};
char L[100][4]={"UUA", "UUG", "CUU" ,"CUC", "CUA", "CUG"};
char I[100][4]={"AUU","AUC", "AUA"};
char M[100][4]=  {"AUG"};
char V[100][4]=  {"GUU","GUC","GUA","GUG"};
char S[100][4]=  {"UCU","UCC","UCA","UCG","AGU","AGC"};
char P[100][4]=  {"CCU","CCC","CCA","CCG"};
char T[100][4]=  {"ACU","ACC","ACA","ACG"};
char A[100][4]=  {"GCU","GCC","GCA","GCG"};
char Y[100][4]=  {"UAU","UAC"};
char H[100][4]=  {"CAU","CAC"};
char Q[100][4]=  {"CAA","CAG"};
char N[100][4]=  {"AAU","AAC"};
char K[100][4]=  {"AAA","AAG"};
char D[100][4]=  {"GAU","GAC"};
char E[100][4]=  {"GAA","GAG"};
char C[100][4]=  {"UGU","UGC"};
char W[100][4]=  {"UGG"};
char R[100][4]=  {"CGU","CGC","CGA","CGG","AGA","AGG"};
char G[100][4]=  {"GGU","GGC","GGA","GGG"};
char STOP[100][4]={"UAA", "UAG", "UGA"};
char hs[110000];

void tian(char s[100][4],char t){
    for (int i=0;i<=10;i++){
        if (s[i][0]==0)break;
        int zhi=(s[i][0]-'A')*900+(s[i][1]-'A')*30+(s[i][2]-'A');
        hs[zhi]=t;
    }
}
char sr[110000];
int main()
{
    memset(hs,0,sizeof(hs));
    tian(F,'F');
    tian(L,'L');
    tian(I,'I');
    tian(M,'M');
    tian(V,'V');
    tian(S,'S');
    tian(P,'P');
    tian(T,'T');
    tian(A,'A');
    tian(Y,'Y');
    tian(H,'H');
    tian(Q,'Q');
    tian(N,'N');
    tian(K,'K');
    tian(D,'D');
    tian(E,'E');
    tian(C,'C');
    tian(W,'W');
    tian(R,'R');
    tian(G,'G');
    tian(STOP,'.');
    int t;scanf("%d",&t);
    while (t--){
        scanf("%s",sr+1);
        int cd=strlen(sr+1);
        for (int i=1;i<=cd;i+=3){
            int zhi=(sr[i]-'A')*900+(sr[i+1]-'A')*30+(sr[i+2]-'A');
            if (hs[zhi]=='.')break;
            else printf("%c",hs[zhi]);
        }
        printf("\n");
    }

}