onE, thrEE, fivE, sEvEn, ninE, ElEvEn, thirtEEn (all goes the same because it has "tEEn"), twEnty one (all goes the same for twenty.), thirty onE, (all goes the same until a hundred), onE hundrEd and onE (goes that same until 1000), onE thousand and onE (there is a pattern, always no matter what it will be, no matter what number set, it will have a one at the start like onE quattrosepquagentillion and onE, so that means every odd number actually has an E in it.)

The letter two??

after watching this all I have to say is.... E

Did you forgot the letter two??????

UNO

E

ha

onE. thrEE. fivE. sEvEn. ninE. ElEvEn. thirtEEn. fiftEEn. sEvEntEEn. ninEtEEn. twEnty-onE.