Answer:
一 -> 二 -> 工 -> 並 -> 普 -> 譜
一 ICHI, ITSU, hito(tsu) - one
二 NI, futa(tsu), futa - two
工 KOU, KU - artisan, skill, work
並 HEI, nara(bu), nara(beru) - line up, arrange, ordinary
普 FU - general, universal
譜 FU - sheet music, notes, record
細 SAI, hoso(i), hoso(ru), koma(kai) - thin, narrow, slender
松 SHOU, matsu - pine