their numerical values being

8 11 6 2 13 19 14 = total 73

and the terminal letters are

I I S I I I

their numerical values being

9 9 18 9 9 9 = total 63
__
Adding this 63 to 73 we get 136

while the intermediate letters are

U D A C O N I A T U I T R B

their numerical values being

20 4 1 3 14 13 9 1 19 20 9 19 17 2 = 151
___
Total 287