Answer:
一+一 ICHI, ITSU, hito(tsu) - one
L+｜ Alphabet "L" / Vertical line
火+日 KA, hi - fire / NICHI, JITSU, hi, ka - sun, day
ノ+三 Katakana "No" / SAN, mi(tsu), mi(ttsu), mi - three
ノ+三+｜ Katakana "No" / SAN, mi(tsu), mi(ttsu), mi - three / Vertical line
Add | , a straight line, to make them something different!
上 JOU, a(geru), ue, a(garu), nobo(ru) - up, above, rise
山 SAN, yama - mountain
畑 hatake - cultivated field
生 SEI, nama - live, raw, alive
年 NEN, toshi - year