Square-packed letters lm, lumen unit of luminous flux, a CJK compatibility symbol.
256 characters in the CJK Compatibility Unicode block, from number 209.
U+33D0SQUARE LMU+33D1SQUARE LNU+33D2SQUARE LOGU+33D3SQUARE LXU+33D4SQUARE MB SMALLU+33D5SQUARE MILU+33D6SQUARE MOLU+33D7SQUARE PHU+33D8SQUARE PMU+33D9SQUARE PPMU+33DASQUARE PRU+33DBSQUARE SRU+33DCSQUARE SVU+33DDSQUARE WBU+33DESQUARE V OVER MU+33DFSQUARE A OVER MU+33E0IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY ONEU+33E1IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWOU+33E2IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY THREEU+33E3IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY FOURU+33E4IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY FIVEU+33E5IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY SIXU+33E6IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY SEVENU+33E7IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY EIGHTU+33E8IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY NINEU+33E9IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TENU+33EAIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY ELEVENU+33EBIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWELVEU+33ECIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY THIRTEENU+33EDIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY FOURTEENU+33EEIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY FIFTEENU+33EFIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY SIXTEENU+33F0IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY SEVENTEENU+33F1IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY EIGHTEENU+33F2IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY NINETEENU+33F3IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTYU+33F4IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-ONEU+33F5IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-TWOU+33F6IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-THREEU+33F7IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-FOURU+33F8IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-FIVEU+33F9IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-SIXU+33FAIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-SEVENU+33FBIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-EIGHTU+33FCIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY TWENTY-NINEU+33FDIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY THIRTYU+33FEIDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY THIRTY-ONEU+33FFSQUARE GAL