Braille cell with dots 6, 7 and 8 raised: the entire bottom row plus the right dot above it, a lower-corner pattern in eight-dot braille.
U+28DFBRAILLE PATTERN DOTS-1234578U+28E1BRAILLE PATTERN DOTS-1678U+28DEBRAILLE PATTERN DOTS-234578U+28E2BRAILLE PATTERN DOTS-2678U+28DDBRAILLE PATTERN DOTS-134578U+28E3BRAILLE PATTERN DOTS-12678U+28DCBRAILLE PATTERN DOTS-34578U+28E4BRAILLE PATTERN DOTS-3678U+28DBBRAILLE PATTERN DOTS-124578U+28E5BRAILLE PATTERN DOTS-13678U+28DABRAILLE PATTERN DOTS-24578U+28E6BRAILLE PATTERN DOTS-23678256 characters in the Braille Patterns Unicode block, from number 225.
U+28E0BRAILLE PATTERN DOTS-678U+28E1BRAILLE PATTERN DOTS-1678U+28E2BRAILLE PATTERN DOTS-2678U+28E3BRAILLE PATTERN DOTS-12678U+28E4BRAILLE PATTERN DOTS-3678U+28E5BRAILLE PATTERN DOTS-13678U+28E6BRAILLE PATTERN DOTS-23678U+28E7BRAILLE PATTERN DOTS-123678U+28E8BRAILLE PATTERN DOTS-4678U+28E9BRAILLE PATTERN DOTS-14678U+28EABRAILLE PATTERN DOTS-24678U+28EBBRAILLE PATTERN DOTS-124678U+28ECBRAILLE PATTERN DOTS-34678U+28EDBRAILLE PATTERN DOTS-134678U+28EEBRAILLE PATTERN DOTS-234678U+28EFBRAILLE PATTERN DOTS-1234678U+28F0BRAILLE PATTERN DOTS-5678U+28F1BRAILLE PATTERN DOTS-15678U+28F2BRAILLE PATTERN DOTS-25678U+28F3BRAILLE PATTERN DOTS-125678U+28F4BRAILLE PATTERN DOTS-35678U+28F5BRAILLE PATTERN DOTS-135678U+28F6BRAILLE PATTERN DOTS-235678U+28F7BRAILLE PATTERN DOTS-1235678U+28F8BRAILLE PATTERN DOTS-45678U+28F9BRAILLE PATTERN DOTS-145678U+28FABRAILLE PATTERN DOTS-245678U+28FBBRAILLE PATTERN DOTS-1245678U+28FCBRAILLE PATTERN DOTS-345678U+28FDBRAILLE PATTERN DOTS-1345678U+28FEBRAILLE PATTERN DOTS-2345678U+28FFBRAILLE PATTERN DOTS-12345678