examples
| Mode | Name | L | B |
| d--------- | .. | - | - |
| -rw-r--r-- | README | 29 | - |
| -rw-r--r-- | dict.txt | 20k | - |
| -rwxr-xr-x | doubles.sh | 26 | - |
| -rw-r--r-- | dvorak | 17 | - |
| -rwxr-xr-x | learn.sh | 54 | - |
| -rwxr-xr-x | lesson.sh | 44 | - |
| -rwxr-xr-x | letters.sh | 20 | - |
| -rwxr-xr-x | practice.sh | 7 | - |
| -rw-r--r-- | qwerty | 17 | - |
| -rw-r--r-- | shakespeare | 1 | - |
| -rwxr-xr-x | words-by-letter.sh | 48 | - |
| -rwxr-xr-x | words.sh | 5 | - |