letters that are pretty much the same but bigger when capitalised: cC, kK, oO, sS, uU, vV, wW, xX
letters that are mostly the same but a bit different when capitalised: fF, iI, lL, mM, nN, pP, tT, yY
letters that are quite different when capitalised: bB, dD, hH, jJ,
letters that don't resemble themselves at all when capitalised: aA, eE, gG, qQ, rR











