Answer:
人 JIN, NIN, hito - person
得 TOKU, e(ru), u(ru) - obtain, profit, gain
汚 O, kitana(i), yogo(su), kega(rawashii) - dirty
余 YOKU, ama(ru), ama(su) - left over, in excess, leave over
薄 HAKU, usu(i), usu(ragu), usu(reru), usu(maru), usu(meru) - thin, weak, fade, dilute
They all have a reading that is the same backwards.