Here's an updated version:
(Verse 1)
Meri Genabona, Domgrass Mountain high
Shining bright, like the morning sky
Mereahmageri, a love so true
In Simbu's heart, forever shining through
(Chorus)
Meri, Meri, oh so dear
Sipiga moho, you bring us cheer
With every step, you take us high
Meri Genabona, we reach the sky
(Verse 2)
Domgrass peaks, where nature's beauty lies
Meri's spirit, touches the skies
Mereahmageri, a gentle breeze
Whispering love, in Simbu's trees
(Chorus)
Meri, Meri, oh so dear
Sipiga moho, you bring us cheer
With every step, you take us high
Meri Genabona, we reach the sky
Hope this version captures the essence! Would you like any further changes?