"alyyn" = all in (a-ll-i-n) but doubled y = just emphasis. Then:
Could be a badly typed or transcribed exercise from English: bn 10 alyyn fwrs dha rayz awf hyks thmyl
Maybe "10" is not "th" here but simply "ten". Let’s check: "alyyn" = all in (a-ll-i-n) but doubled y = just emphasis
"10" = ten (literal), not "th".