English is great but for all the "noise". Why is "the" a three letter word and not something more concise like "le" or "a"? Why is it "and" and not a single-let

English is great but for all the "noise". Why is "the" a three letter word and not something more concise like "le" or "a"? Why is it "and" and not a single-letter "y" like any sensible language? You get used to the syntax, and after a while it becomes invisible.