Common typos: rfelldfelldrelldrflldrfelsrfellfrfellerfellxrfellcrfellrrfelldefelldtfelld4felldffellddfelld5felldrdelldrgelldrrelldrcelldrvelldrtelldrfwlldrfrlldrf3lldrfdlldrfslldrf4lldrfekldrfeoldrfepldrfelkdrfelodrfelprdfelldfrelldreflldrflelsdrfelldsrfellfdrfelldfrfelledrfellderfellxdrfelldxrfellcdrfelldcrfellrdrfelldrrfelldrefelldtrfelldrtfelld4rfelldr4felldrffellddrfelldrdfelld5rfelldr5felldrfdelldrgfelldrfgelldrfrelldrcfelldrfcelldrvfelldrfvelldrftelldrfwelldrfewlldrferlldrf3elldrfe3lldrfedlldrfselldrfeslldrf4elldrfe4lldrfeklldrfelkldrfeolldrfeloldrfeplldrfelpldrfellkdrfellodrfellpdrfeelldrfelll