i called my mom's second elder sister 姨妈(二妈Pronounce in Conto) her husband 姨丈(二丈)

single word 姨 = yì (fourth sound in mandarin)
but this word come to 姨妈 = yǐ mà (yǐ which is same pronounce as 二)

if you wan to read as yì mà then sounds quite weird lol
but 姨丈 read as yì jíong is ok wor