Answer:
They should end up like this. 大+小 弟+兄 混+離 氷+汽 是+悪
大 DAI, oo(kii) - big
小 SHOU, chii(sai), ko - small
弟 DAI, TEI, otouto - younger brother
兄 KEI, KYOU, ani - older brother
混 KON, ma(zeru), ma(zaru) - mix
離 RI, hana(reru), hana(su) - separate, leave, keep apart
氷 HYOU, kouri, hi, kou(ru) - ice, freeze
汽 KI, KE - steam
是 ZE - right, correct, just
悪 AKU, O, waru(i) - bad