Here's a few phrases in Finnish with pronounciation tips:
HELLO (informal) = "terve" [say: "TEHR-veh"]
GOOD DAY = "hyvää päivää" ["HUU-vaa PIGH-vaa"]
GOOD MORNING = "hyvää huomenta" ["HUU-vaa HOO-oh-mehn-tah"]
GOOD EVENING = "hyvää iltaa" ["HUU-vaa EEL-tah"]
GOOD NIGHT = "hyvää yötä" ["HUU-vaa UU-eu-ta"]
GOODBYE = "näkemiin" ["NAK-eh-meen"]
GOODBYE (informal) = "hei hei" ["HAY-hay"]
THANK YOU = "kiitos" ["KEE-tohss"]