Vocabulary consisting only from characters you are able to read
最高
saikou
highest, supreme, the mostjlpt3
外
hoka
other place, the restjlpt5
合併
gappei
combination, union, amalgamation, consolidation, merger, coalition, fusion, annexation, affiliation, incorporation; (n,vs) combination, union, amalgamation, consolidation, merger, coalition, fusion, asuru
滞日
tainiči
staying in Japansuru