表音 ひょうおん しき仮名遣 かなずかいだったら
hyō onshi kikana zukaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 表音式仮名遣い

1. If/when using the phonetically-based kana spelling…; If it were phonetically-based kana spelling…

Tara Conditional