A couple may shake heads.Logical formLearned from6 sentences. A letter may shake the world.Logical formLearned from6 sentences. Some earthquake may shake a province.Logical formLearned from6 sentences. A voice may shake with fury.Logical formLearned from6 sentences. A person may shake at knees.Logical formLearned from6 sentences. Shoulders may shake with sobs.Logical formLearned from6 sentences. A female may shake a hand with a smile.Logical formLearned from6 sentences. A person may shake with happiness.Logical formLearned from6 sentences. An earthquake may shake an (ocean floor).Logical formLearned from6 sentences. A person may be left shake a head.Logical formLearned from6 sentences. (Anthrax attacks) may shake a nation.Logical formLearned from6 sentences. An orgasm may shake a female.Logical formLearned from6 sentences. A person may shake dust.Logical formLearned from6 sentences. A person may shake a jar.Logical formLearned from6 sentences. Confidence may shake.Logical formLearned from6 sentences.