How to triplicate a word or pattern - OpenCL error when 'M 'in rules

[Snoopy]

erm why you dont use plain hahscat 6.2.5 which will use your gpu by default?
words.txt

Code:

12345
pass
test

endings.txt

Code:

end1
end2
end3

Code:

hashcat -a1 --stdout words.txt endings.txt -j p2

resulting in

Code:

123451234512345end1
123451234512345end2
123451234512345end3
passpasspassend1
passpasspassend2
passpasspassend3
testtesttestend1
testtesttestend2
testtesttestend3