Professional business name that plays on the word "sub" (as in, "sandwich" or "substitute") and the welcoming word "Yo".
The word "subyo" contains only five letters and only two syllables. Two-syllable names are highly rare and extremely desirable. Successful brands using two syllable names include WeChat, Buffer and Hilton.
Subyo.com is a dot com domain. Dot com domains are the most sought after top-level-domain in the world, used by famous websites like google.com. When most people think of a website, they think of a dot com.