context: Every jihadi group I've seen uses it, or a variation.
answer_0: Presumably, it's the same flag Mohammed used when he fought his battles.
answer_1: Firstly, it's the same flag Mohammed used when he fought his battles.
answer_2: Frequently, it's the same flag Mohammed used when he fought his battles.
answer_3: Only, it's the same flag Mohammed used when he fought his battles.
answer_4: Hopefully, it's the same flag Mohammed used when he fought his battles.
answer_5: First, it's the same flag Mohammed used when he fought his battles.
answer_6: Historically, it's the same flag Mohammed used when he fought his battles.
answer_7: Traditionally, it's the same flag Mohammed used when he fought his battles.
answer_8: Supposedly, it's the same flag Mohammed used when he fought his battles.
answer_9: Namely, it's the same flag Mohammed used when he fought his battles.