(お)息むす子こさん は (お)元げん気き です か。(o)musukosan wa (o)genki desu ka.Is your son well?Breakdown of (o)musukosan wa (o)genki desu ka.ですdesuto beはwatopic particleかkaquestion particleさんsanpolite name enderElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese now