どうせ ... いじょう/どうせ ... からには => anyhow; in any case; at any rate; after all; no matter what N3
Necessity, obligation
どうせ (のこと) だから => Because eventually have to ... N3
Invite and advise
どうせ => anyhow; in any case; at any rate; after all; no matter what N2
どうせ… (の) なら => anyhow; in any case; at any rate; after all; no matter what N3
Invariant
どうせ…のだから => anyhow; in any case; at any rate; after all; no matter what N2
Speculation
どうも => Confused, bewildered N3
Emphasize
どうも => Not sure... N3
Vague
どうやって => how N5
どうも => Used to greet N5
How to say the beginning
かどうか => whether or not ~ N4
どうもない => No problem N3
Confirm
~はどう(で)あれ      => however; whatever​ ~. N1