Answer:
They should end up like this. 外+内 夏+冬 落+絡 否+正 愚+賢
外 GAI, GE, soto - outside, miss
内 NAI, uchi - inside
夏 KA, GE, natsu - summer
冬 TOU, fuyu - winter
落 RAKU, o(chiru), o(tosu) - fall, drop, lose
絡 RAKU, kara(mu), kara(maru) - be entangled
否 HI, ina - no, negative
正 SEI, SHOU, tada(shii), masa(ni) - correct, just, exact
愚 GU , oro(ka) - foolish, stupid
賢 KEN, kashiko(i) - wise, intelligent