(2018/02/18) -chi -i -ki -ku -n -q -tsu -u ba ba bachi bai baku ban baq batsu be bei ben beq betsu bi bi bin bo bo boku bon boq botsu bou bu bu bun buq butsu bya byaku byo byou "B" de hajimaru Kanjion wa 25-ko desu. (2018/07/21), (2018/08/…