Examples of Phonetic Spelling Failures in English

With spelling erratic, many English words become ideograms that must be learned as a whole, with its parts giving no clue or, worse yet, false clues. If you don't know in advance and just judge by the letters, can you know that "through," "coo," "do," "true," "knew," and "queue" all rhyme? If you don't know in advance and just judge by the letters, can you know that "gnaw," kneel," "mnemonic" and "note" all start with the same consonant sound? Why can't we say "throo," "koo," "doo," "troo," "...