Obulamga
Imimamgaimtha eliogayālzuonrolamalgralolthado adelbodro.
[ˈimimamˌgaimða ˈɛliɔgaʎaːlzuɔnɾɔlamalgɾalɔlˌðadɔ ˈadɛlˌbɔdɾɔ]
imim-amgaim-tha eliogayālzuon-rolam-algralol-tha-do adelbo-dro
holiday-merry-CONJ year-new-prosperous-CONJ-TOP happen-DES.POL
Merry christmas and happy new year.
(lit. May a merry festive time and a prosperous new year [Terran cycle around the sun] happen.)
Edit: An alternative way to say it:
Imimoramgaimoviontha eliogayālzuonalrolamalgralolovionthado.
[ˈimimɔramˌgaimɔviɔnða ˈɛliɔgaʎaːlzuɔnalɾɔlamalgɾalɔlɔviɔnˌðadɔ]
imim-mor-amgaim-ovion-tha eliogayālzuon-al-rolam-algralol-ovion-tha-do
holiday-NEUT-merry-PAT-CONJ year-SG.NEUT-new-prosperous-PAT-CONJ-TOP
A-merry-holiday-and(patientive) a-prosperous-new-year-and(patientive).
Merry christmas and happy new year.
And the original one fixed for syntax rules changes:
Imimoramgaimoviontha eliogayālzuonalrolamalgralolovionthado adelbodro.
[ˈimimɔramˌgaimɔviɔnða ˈɛliɔgaʎaːlzuɔnalɾɔlamalgɾalɔlɔviɔnˌðadɔ ˈadɛlˌbɔdɾɔ]
imim-mor-amgaim-ovion-tha eliogayālzuon-al-rolam-algralol-ovion-tha-do adelbo-dro
holiday-NEUT-merry-PAT-CONJ year-SG.NEUT-new-prosperous-PAT-CONJ-TOP happen-DES.POL
A-merry-holiday-and(patientive) a-prosperous-new-year-and(patientive) may-happen.
Merry christmas and happy new year.
(lit. May a merry festive time and a prosperous new year [Terran cycle around the sun] happen.)