They write group operations with symbols like • or *, or by writing two elements next to each other. So "a" • "b", "a" * "b", and "ab"" can all mean "the element formed when the group's operation combines "a" and "b"".
ð eɪ WORD_BOUNDARY ɹ aɪ t WORD_BOUNDARY ɡ ɹ uː p WORD_BOUNDARY ɑ p ə ɹ ɹ eɪ ʃ ə n z WORD_BOUNDARY w ɪ ð WORD_BOUNDARY s ɪ m b ə l z WORD_BOUNDARY l aɪ k WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY æ s t ə ɹ ɹ ɪ s k WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY b aɪ WORD_BOUNDARY ɹ aɪ t ɪ ŋ WORD_BOUNDARY t uː WORD_BOUNDARY ɛ l ɪ m ə n t s WORD_BOUNDARY n ɛ k s t WORD_BOUNDARY t ʊ WORD_BOUNDARY iː t̠ʃ WORD_BOUNDARY ʌ ð ə ɹ WORD_BOUNDARY s oʊ WORD_BOUNDARY ʌ WORD_BOUNDARY b iː WORD_BOUNDARY ʌ WORD_BOUNDARY æ s t ə ɹ ɹ ɪ s k WORD_BOUNDARY b iː WORD_BOUNDARY æ n d WORD_BOUNDARY æ b WORD_BOUNDARY k æ n WORD_BOUNDARY ɔ l WORD_BOUNDARY m iː n WORD_BOUNDARY ð ɪ WORD_BOUNDARY ɛ l ɪ m ə n t WORD_BOUNDARY f ɔ ɹ m d WORD_BOUNDARY w ɛ n WORD_BOUNDARY ð ə WORD_BOUNDARY ɡ ɹ uː p s WORD_BOUNDARY ɑ p ə ɹ ɹ eɪ ʃ ə n WORD_BOUNDARY k ə m b aɪ n z WORD_BOUNDARY ʌ WORD_BOUNDARY æ n d WORD_BOUNDARY b iː WORD_BOUNDARY