They should end up like this. 古+新 難+優 登+降 峰+峡 粒+塊
古 KO, furu(i) - old
新 SHIN, atara(shii), arata, nii - new
難 NAN, muzuka(shii), kata(i) - difficult
優 YUU, sugu(reru), yasa(shii) - excel, gentle, tender
登 TOU,TO, nobo(ru) - climb, board
降 KOU, o(riru), o(rosu), fu(ru) - go down, descend, get off
峰 HOU, mine - peak
峡 KYOU - gorge, ravine
粒 RYUU, tsubu - a grain
塊 KAI, katamari - lump, clod, clump