Reta O i te Pūāhua Moa
I te pūhoro Morse, e tohu ana te āhua "O" i te raupapa --- E pā ana ki:
Ngā dashes e toru (---).
Arā, he toru ngā tohu roa (dashes). Ka whakamahia tēnei whakakotahi i te pūhoro Morse hei tohu i te āhua "O" i te telegrafi me te whakawhiti rōngia.
