| Letters in the English alphabet |
26
|
| Letters formed with straight lines |
?
|
| Letters formed without lifting pencil |
?
|
| Letters that take indefinite article "an" |
?
|
| Letters pronounced with an initial "eh" |
?
|
| Consonants |
21
|
| Consonants taking indefinite article "an" |
?
|
| Consonants pronounced with an initial "eh" |
?
|
| Consonants that are voiced |
?
|
| Triads available for license-plates |
17,576
|
| Triads with no repetitions |
?
|
| Triads in alphabetical order |
?
|
| Triads in consecutive alphabetical order |
?
|
| Triads that are abbreviations in real life |
31
|
are merely three letters selected from the English
alphabet so deliciously
exhibited above. All three uniquely belong in all the
categories
listed below. 