What does Aiko mean?
A Japanese name most commonly written 愛子, from ai 'love, affection' and ko 'child' — 'child of love, beloved child'. Meaning depends on the kanji chosen, but the 愛 (love) spelling is the standard one.
What does Nami mean?
From the Japanese word nami (波) meaning 'wave'. Depending on the kanji used it can also carry other senses, but the 'wave' reading is standard.