The sequel to twelve monkeys
Los Lonely Boys - 16 MONKEYS
because of swallowed syllables it sounds for me : schischá sarcofím
Sounds fine to me. Syllables tend to get swallowed in any language in common speech. Consider the extreme case of going to vs gonna.
That's a lot of monkeys
Why is it שישה and not ששה?
That's the rule of niqqud-less writing - /i/ sound is generally marked with a Yod (with a list of exceptions).