This is the
International Phonetic Alphabet (IPA) form of "Sheathing his sword, the big private helped an adult commonwealth refugee." The letters are phonemes, or individual sounds. With sounds, when you carefully say "quarantine" without the beginning or ending phonemes, "warranty" results.
can be either "droop" or "drupe", and
can be either "controller" or comptroller". From the IPA words below, find the multiple possible written spellings.