Common typos: 7puhc1ipuhc1i7uhc1i7phc1i7puc1i7puh1i7puhco7puhc1u7puhc1k7puhc187puhc197puhc1j7puhc1i8puhc1i6puhc1iupuhc1iypuhc1i7ouhc1i70uhc1i7_uhc1i7luhc1i7pihc1i7pyhc1i7pjhc1i7p7hc1i7p8hc1i7phhc1i7pujc1i7pugc1i7puyc1i7punc1i7pubc1i7puuc1i7puhx1i7puhv1i7puhd1i7puhf1i7puhc2i7puhcqi7puhcw7ipuhc1ip7uhc1i7uphc1i7phuc1i7puch1i7puh1coi7puhc1io7puhc1ui7puhc1iu7puhc1ki7puhc1ik7puhc18i7puhc1i87puhc19i7puhc1i97puhc1ji7puhc1ij7puhc1i78puhc1i67puhc1i76puhc1i7upuhc1iy7puhc1i7ypuhc1i7opuhc1i7pouhc1i70puhc1i7p0uhc1i7_puhc1i7p_uhc1i7lpuhc1i7pluhc1i7piuhc1i7puihc1i7pyuhc1i7puyhc1i7pjuhc1i7pujhc1i7p7uhc1i7pu7hc1i7p8uhc1i7pu8hc1i7phuhc1i7puhhc1i7puhjc1i7pughc1i7puhgc1i7puhyc1i7punhc1i7puhnc1i7pubhc1i7puhbc1i7puuhc1i7puhuc1i7puhxc1i7puhcx1i7puhvc1i7puhcv1i7puhdc1i7puhcd1i7puhfc1i7puhcf1i7puhc21i7puhc12i7puhcq1i7puhc1qi7puhcw1i7puhc1wii7puhc1i77puhc1i7ppuhc1i7puhcc1i7puhc11