"Letted out bag" is not a commonly used phrase, but it is spelled phonetically as /lɛtɪd aʊt bæɡ/. Letted is the past tense of the verb "let" and is pronounced as /lɛtɪd/. Out is pronounced as /aʊt/ and refers to the release or removal of something. Bag is pronounced as /bæɡ/ and refers to a container used for carrying or storing items. So, "letted out bag" could describe a bag that has been emptied or released from its contents.