ucs4marks:
0x00000300-0x0000036f Combining Diacritical Marks:
̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ͘͜͟͢͝͞͠͡
0x00001dc0-0x00001dff Combining Diacritical Marks Supplement:
᷐᷎᷺᷂᷊᷏᷹᷽᷿᷷᷸᷀᷁᷃᷄᷅᷆᷇᷈᷉᷋᷌᷑᷒ᷓᷔᷕᷖᷗᷘᷙᷚᷛᷜᷝᷞᷟᷠᷡᷢᷣᷤᷥᷦᷧᷨᷩᷪᷫᷬᷭᷮᷯᷰᷱᷲᷳᷴ᷵᷻᷾᷶᷼᷍

0x000020d0-0x000020ff Combining Diacritical Marks for Symbols:
⃒⃓⃘⃙⃚⃐⃑⃔⃕⃖⃗⃛⃜⃝⃞⃟⃠⃡⃢⃣⃤⃥⃦⃪⃫⃨⃬⃭⃮⃯⃧⃩⃰⃱⃲⃳⃴⃵⃶⃷⃸⃹⃺⃻⃼⃽⃾⃿

0x0000fe20-0x0000fe2f Combining Half Marks:
︧︨︩︪︫︬︭︠︡︢︣︤︥︦︮︯