Answer:
大 DAI, oo(kii) - big
大 DAI, oo(kii) - big
大 DAI, oo(kii) - big
大 DAI, oo(kii) - big
小 SHOU, chii(sai), ko - small
Add a single stroke to each of these to make another character.
夫 FU, FUU, otto - husband
天 TEN, ame, ama - heaven
犬 KEN, inu - dog
太 TAI, TA, futo(i), futo(ru) - thick, fat
少 SHOU, suku(nai), suko(shi) - little, few