Contents may pertain-to a letter.Logical formLearned from1 135 sentences. A person may read a letter.Logical formLearned from1 070 sentences. A letter may be released.Logical formLearned from1 069 sentences. Some letters can be constituted-of-or-filled-with reference.Logical formLearned from1 055 sentences. A letter can be to a legislature.Logical formLearned from1 041 sentences. Features may be identified on maps by placing a letter.Logical formLearned from1 040 sentences. A letter may pertain-to a month.Logical formLearned from1 040 sentences. A letter can be to a person.Logical formLearned from998 sentences. A letter may read.Logical formLearned from991 sentences. A person may get a letter.Logical formLearned from983 sentences. A letter may be written/wrote.Logical formLearned from964 sentences. Letters may undergo a collection.Logical formLearned from961 sentences. A person may receive a letter.Logical formLearned from952 sentences. Letters may pertain-to persons.Logical formLearned from948 sentences. Letters can be constituted-of-or-filled-with reference.Logical formLearned from939 sentences.