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--- Husband and Wife
前夫 zenbu ex-husband   Ref. 前 [before]
夫 otto husband   Ref. 夫 [husband]
妻 tsuma wife   Ref. 妻 [wife]
夫妻 fusai husband and wife 夫 [husband]  Ref. 妻 [wife]
夫婦 fūfu husband and wife | married couple   Ref. 婦 [woman]