¹             ²                            ³              ⁴    , "                              " ⁵    , "              " ⁶                             ⁷                         ⁸                                   ⁹       ¹⁰   , ¹¹ "                                   ¹²  , ' , "         ¹³                           "'" ¹⁴                       ¹⁵                 ¹⁶   , ¹⁷ "        ¹⁸                                       "