The novel maybe i think thats the answer
Hi !
Hablar
Imperativo =
Habla (tu) (accent on the u)
Hable (él, ella, Ud)
Hablemos (nosotros)
Hablad (vosotros)
Hablen (ellos, ellas, Uds)
As you can see, Usted conjugates as "él, ella" and "Ustedes" as "ellos, ellas"
hope I helped