Ways to arrange three of {a,b,c,d,e}
| abc* | abd | abe | acb* |
| acd | ace | adb | adc |
| ade | aeb | aec | aed |
| bac* | bad | bae | bca* |
| bcd | bce | bda | bdc |
| bde | bea | bec | bed |
| cab* | cad | cae | cba* |
| cbd | cbe | cda | cdb |
| cde | cea | ceb | ced |
| dab | dac | dae | dba |
| dbc | dbe | dca | dcb |
| dce | dea | deb | dec |
| eab | eac | ead | eba |
| ebc | ebd | eca | ecb |
| ecd | eda | edb | edc |
Ways to arrange {a,b,c}
| abc | acb | bac | bca |
| cab | cba |