Answer:
し Hiragana "Shi"
一+し+く+ノ+ト+し+く ICHI, ITSU, hito(tsu) - one / Hiragana "Shi" / Hiragana "Ku" / Katakana "No" / Katakana "To"
人+T+⼍+、+リ JIN, NIN, hito - person / Alphabet "T" / The "Wakanmuri" radical - cover, crown / Comma / Katakana "Ri"
イ+、+ヒ+日+小 Katakana "I" / Comma / Katakana "Hi" / NICHI, JITSU, hi, ka - sun, day / SHOU, chii(sai), ko - small
大+十+ト DAI, oo(kii) - big / JUU, tou, to - ten / Katakana "To"
The chemical symbol for sodium is "Na". Add ナ (Katakana "Na") to each set of characters to give the following:
九 KYUU, KU, kokono(tsu) - nine
飛 HI, to(bu), to(basu) - fly, skip, omit
剣 KEN, tsurugi - sword
僚 RYOU - an official, companion
奔 HON - run