1. 卜 + 一 = 卜
2. 卜 + 丨 = 十
3. 卜 + 丿 = 卜
4. 卜 + 丶 = 卜
5. 卜 + 乚 = 卜
6. 卜 + 冖 = 卜
7. 卜 + ⺮ = 卜
8. 卜 + ㇏ = 卜
9. 卜 + ㇐ = 卜
10. 卜 + ㇑ = 卜
11. 卜 + ㇒ = 卜
12. 卜 + ㇓ = 卜
13. 卜 + ㇌ = 卜
14. 卜 + ㇍ = 卜
15. 卜 + ㇏ = 卜
16. 卜 + ㇐ = 卜
17. 卜 + ㇑ = 卜
18. 卜 + ㇒ = 卜
19. 卜 + ㇓ = 卜
20. 卜 + ㇌ = 卜
21. 卜 + ㇍ = 卜
22. 卜 + ㇏ = 卜
23. 卜 + ㇐ = 卜
24. 卜 + ㇑ = 卜
25. 卜 + ㇒ = 卜
26. 卜 + ㇓ = 卜
27. 卜 + ㇌ = 卜
28. 卜 + ㇍ = 卜
29. 卜 + ㇏ = 卜
30. 卜 + ㇐ = 卜
31. 卜 + ㇑ = 卜
32. 卜 + ㇒ = 卜
33. 卜 + ㇓ = 卜
34. 卜 + ㇌ = 卜
35. 卜 + ㇍ = 卜
36. 卜 + ㇏ = 卜
37. 卜 + ㇐ = 卜
38. 卜 + ㇑ = 卜
39. 卜 + ㇒ = 卜
40. 卜 + ㇓ = 卜
41. 卜 + ㇌ = 卜
42. 卜 + ㇍ = 卜
43. 卜 + ㇏ = 卜
44. 卜 + ㇐ = 卜
45. 卜 + ㇑ = 卜
46. 卜 + ㇒ = 卜
47. 卜 + ㇓ = 卜
48. 卜 + ㇌ = 卜
49. 卜 + ㇍ = 卜
50. 卜 + ㇏ = 卜
51. 卜 + ㇐ = 卜
52. 卜 + ㇑ = 卜
53. 卜 + ㇒ = 卜
54. 卜 + ㇓ = 卜
55. 卜 + ㇌ = 卜
56. 卜 + ㇍ = 卜
57. 卜 + ㇏ = 卜
58. 卜 + ㇐ = 卜
59. 卜 + ㇑ = 卜
60. 卜 + ㇒ = 卜
61. 卜 + ㇓ = 卜
62. 卜 + ㇌ = 卜
63. 卜 + ㇍ = 卜
64. 卜 + ㇏ = 卜
65. 卜 + ㇐ = 卜
66. 卜 + ㇑ = 卜
67. 卜 + ㇒ = 卜
68. 卜 + ㇓ = 卜
69. 卜 + ㇌ = 卜
70. 卜 + ㇍ = 卜
71. 卜 + ㇏ = 卜
72. 卜 + ㇐ = 卜
73. 卜 + ㇑ = 卜
74. 卜 + ㇒ = 卜
75. 卜 + ㇓ = 卜
76. 卜 + ㇌ = 卜
77. 卜 + ㇍ = 卜
78. 卜 + ㇏ = 卜
79. 卜 + ㇐ = 卜
80. 卜 + ㇑ = 卜
81. 卜 + ㇒ = 卜
82. 卜 + ㇓ = 卜
83. 卜 + ㇌ = 卜
84. 卜 + ㇍ = 卜
85. 卜 + ㇏ = 卜
86. 卜 + ㇐ = 卜
87. 卜 + ㇑ = 卜
88. 卜 + ㇒ = 卜
89. 卜 + ㇓ = 卜
90. 卜 + ㇌ = 卜
91. 卜 + ㇍ = 卜
92. 卜 + ㇏ = 卜
93. 卜 + ㇐ = 卜
94. 卜 + ㇑ = 卜
95. 卜 + ㇒ = 卜
96. 卜 + ㇓ = 卜
97. 卜 + ㇌ = 卜
98. 卜 + ㇍ = 卜
99. 卜 + ㇏ = 卜
100. 卜 + ㇐ = 卜
101. 卜 + ㇑ = 卜
102. 卜 + ㇒ = 卜
103. 卜 + ㇓ = 卜
104. 卜 + ㇌ = 卜
105. 卜 + ㇍ = 卜
106. 卜 + ㇏ = 卜
107. 卜 + ㇐ = 卜
108. 卜 + ㇑ = 卜
109. 加一笔后形成的新字是“乚”，这个字在现代汉语中不常用，但在一些方言或特定语境下可能被使用。
这些只是部分例子，实际上，由于汉字书写的多样性和复杂性，加一笔能形成多少个不同的字是非常难以精确计数的。而且，有些字即使加一笔也可能因为字形结构的变化而变得不再具有原有的意义。上述列举的只是其中的一部分可能性。