Thanks! Minor note: I was taught that forms of esse are weak enough that they lose their vowel to elision, so it would be de.co:.rust. https://en.wikipedia.or

Thanks! Minor note: I was taught that forms of esse are weak enough that they lose their vowel to elision, so it would be de.co:.rust. https://en.wikipedia.org/wiki/Prodelision https://en.wikipedia.org/wiki/Prodelision This seems like it would never matter for esse or est, but I guess it could preserve a long vowel in a case like -V: es V-.