Four letters on the .com, pronounceable enough to say as a syllable and short enough to never need repeating.
ETKP has no incumbent meaning, which is what a buyer building a new identity usually wants. There’s nothing to displace and nothing to correct. Initials for a firm, a fund, a foundation, or a product, or a coined mark in its own right.
The argument for short domains keeps being made because it keeps being true. Every character in a URL is a character that appears on invoices, in email addresses, on packaging, in verbal referrals, and in the small space a mobile browser gives a link. Companies that start long usually try to buy short later, and pay more for it, because by then they know exactly how much the length was costing them.
Four-character .com is the practical floor for most businesses and the supply is finite and fully allocated.
Serious enquiries only. The name is listed.