>>4778566The phonemes involved, not the spelling. And pronouncing that isn't necessarily lazy, it's just phonemic development (just like the development of, say, the word "knight" from being pronounced /knixt/ to being pronounced /naıt/
also found another one, "angsts" can be pronounced with a consonant cluster of 5 as well, see it terminate as: /ŋksts/
>>4778570I actually did find someone mention where us english speakers blend our words together you can end up with something like "sixth's street" being /ksθstr/ which is a consonant cluster of 6. Thanks, o wise bong.