Chess Pieces:
U+2654: '♔'
U+2655: '♕'
U+2656: '♖'
U+2657: '♗'
U+2658: '♘'
U+2659: '♙'
U+265A: '♚'
U+265B: '♛'
U+265C: '♜'
U+265D: '♝'
U+265E: '♞'
U+265F: '♟'
Card Suits:
U+2660: '♠'
U+2661: '♡'
U+2662: '♢'
U+2663: '♣'
U+2664: '♤'
U+2665: '♥'
U+2666: '♦'
U+2667: '♧'
Encircled small Latin letters:
U+24D0: 'ⓐ'
U+24D1: 'ⓑ'
U+24D2: 'ⓒ'
U+24D3: 'ⓓ'
U+24D4: 'ⓔ'
A few Greek letters:
U+03B1: 'α'
U+03B2: 'β'
U+03B3: 'γ'
U+03B4: 'δ'
U+03B5: 'ε'
U+03B6: 'ζ'
U+03B7: 'η'
U+03B8: 'θ'
U+03B9: 'ι'
U+03BA: 'κ'
U+03BB: 'λ'
A few Cyrillic letters:
U+0434: 'д'
U+0435: 'е'
U+0436: 'ж'
U+0437: 'з'
U+0438: 'и'
U+0439: 'й'
U+043A: 'к'
U+043B: 'л'
A few Hebrew letters:
U+05D0: 'א'
U+05D1: 'ב'
U+05D2: 'ג'
U+05D3: 'ד'
U+05D4: 'ה'
U+05D5: 'ו'
U+05D6: 'ז'
U+05D7: 'ח'
U+05D8: 'ט'
U+05D9: 'י'
Hiragana:
U+3050: 'ぐ'
U+3051: 'け'
U+3052: 'げ'
U+3053: 'こ'
U+3054: 'ご'
U+3055: 'さ'
U+3056: 'ざ'
U+3057: 'し'
U+3058: 'じ'
U+3059: 'す'
U+305A: 'ず'
Katakana:
U+30B0: 'グ'
U+30B1: 'ケ'
U+30B2: 'ゲ'
U+30B3: 'コ'
U+30B4: 'ゴ'
U+30B5: 'サ'
U+30B6: 'ザ'
U+30B7: 'シ'
U+30B8: 'ジ'
U+30B9: 'ス'
U+30BA: 'ズ'
Dingbats:
U+2710: '✐'
U+2711: '✑'
U+2712: '✒'
U+2713: '✓'
U+2714: '✔'
U+2715: '✕'
U+2716: '✖'
U+2717: '✗'
U+2718: '✘'
U+2719: '✙'
U+271A: '✚'