2 of 3 added 16 characters in body

Bash, 69 68 bytes

bc<<<`fold -1|tr "\n "adgjmptwbehknquxcfilorvysz +[1*9][2*8][3*8]44`

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Folds one char per line, transliterates each newline with +, each space with 1 and each letter with the corresponding number of pushes. bc does the sum. For some reason direct pipe to bc gives input error.