伯【bó= father's older brother, uncle】in which 亻【rén】 is the left radical, it’s often used to describe anything that related to person.
父【fù=father】
伯父【bófù= father's older brother, uncle; the literal meaning is father's older brother father】
母【mǔ= mother】
伯母【bómǔ= wife of father's older brother, aunt, the literal meaning is father’s older brother mother】
叔【shū= father's younger brother, uncle】used with
父【fù=father】is
叔父【shūfù= father's younger brother, uncle, the literal meaning is father’s younger brother father】
母【mǔ= mother】is used with 叔【shū= father's younger brother, uncle】to make
叔母【shūmǔ= wife of father's younger brother, aunt, the literal meaning is father’s younger brother mother】
舅【jiù= mother's brother】is used with
父【fù=father】and
舅【jiù= mother's brother】to make
舅父【jiùfù= mother's brother, uncle, the literal meaning is mother’s brother father】
so
母【mǔ= mother】with 舅【jiù= mother's brother】becomes
舅母【jiùmǔ= wife of mother's brother, aunt, the literal meaning is mother’s brother mother】
女【nǚ】as the left radical, used to describe anything that related to female. is part of
姑【gū= father's sister, aunt, sister-in-law】and with
妈【mā= mother】becomes
姑妈【gūma= father's sister, aunt, the literal meaning is father’s sister mother】
姑【gū= father's sister, aunt, sister-in-law】and
丈【zhàng=a form of address for certain male relatives by marriage】becomes
姑丈【gūzhàng= husband of father's sister, uncle, the literal meaning is father’s sister male】
阿【ā=Ah】is added word, it doesn’t have a specific meaning. When used with
姨【yí= mother's sister, aunt, sister-in-law】becomes
阿姨【āyí= mother's sister, aunt】
姨【yí= mother's sister, aunt, sister-in-law】 is used in
姨丈【yízhàng=husband of mother's sister, uncle, the literal meaning is mother’s sister male】