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n = int(raw_input())
for i in range(n):
    s = str(raw_input().split())
    if s.count("A") >= 2:
        print "NO"
    else:
        m = 0
        for j in s:
            if "L" == j:
                m += 1
            else :
                m = 0
            if m == 3:
                break
        if m == 3:
            print "NO"
        else:
            print "YES"
            
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