LEVEES
Before
1: S
build, these2: SU
natural, river, building3: SUU
natural4: UUSU
artificial
After
1: S
are, have2: US
along
Surrounder Phrases
river delta, channel, flood, brokeflood control, channellow earthen, highhave failed, builtmay haveartificial channelexisting building, between, channel, flood, protectiveprotecting existing, naturalhigh earthen, protective, low, floodbuilt along, during, betweencontrol channelbetween thesethese arechannel betweenare builtnatural protective, channel, flooddelta riverduring these, floodbuild artificial, protectivealong thesebuilding built