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lesson lessen resin leaven seven heaven eleven lemon reckon leaden direction section election extension mention selection tension weapon brethren pension strengthen threaten erection freshman lengthen melon felon heron attention collection protection exception perception affection chairman correction detection dimension inspection objection perfection prevention reception rejection projection retention deception deflection detention dissection resection subjection tendon defection dissension ejection inflection ascension dejection dentin headman pepsin pretension declension headmen pectin preemption question connection conception infection reflection convention injection invention rebellion apprehension connexion contention hypertension redemption resurrection suspension complexion digestion exemption inception insurrection convection distension reelection henchmen indirection redirection reflexion sexton intention suggestion comprehension intersection intestine recollection congestion contraception imperfection ingestion misconception predilection condescension disaffection distention inattention misapprehension abstention interception watermelon intervention introspection contravention disinfection indigestion circumspection disconnection interconnection