"Yup" is a regional colloquial variation of the English "yes". I have not heard a regional Spanish equivalent, but the Spanish word for "yes" is "sí". It is essential in writing that you include the accent mark over the "i", or else the word means "if".
Yep = 'Ae
yes.
Yep, sure does!
Yep it is..
I would just say "adios." To the best of my knowledge, there is no direct translation for "bye bye." You could also use "hasta luego" (see you later). Yep.
Yes
Yep
"Sip" de la palabra "si" (yes)
Yep, Toledo steel is very famous
Columbians, no Spanish, No Italian. Yep, That's it. Italian.
Yep. We sure can.
Armand. Yep.