of course everyone knows the famous riddle that drew a one-word answer but the sphinx also threw another at Oedipus just outside Thebes: a sister comes first and gives birth to another and the second consumes and then births the first
bored, the gifted Oedipus yawned his answer: *day and night
a little-known riddle the sphinx asked of Oedipus; see also my poem: the first riddle