arr1=['One','Two','Five'],arr2=['Three','Four']

like itertools.combinations(arr1,2) gives us
('OneTwo','TwoFive','OneFive')
I was wondering is there any way applying this to two different arrays.?I mean for arr1 and arr2.

Output should be OneThree,OneFour,TwoThree,TwoFour,FiveThree,FiveFour