-th c-- ccc ccd cce ccf cch cct cdc cdd cde cdf cdh cdt ce- cec ced cee cef ceh cet cfc cfd cfe cff cfh cft ch- chc chd che chf chh cht ctc ctd cte ctf cth ctt dcc dcd dce dcf dct ddc ddd dde ddf ddh ddt de- dec ded dee def deh det dfc dfd dfe dff dfh dft dh- dhc dhd dhe dhf dhh dht dtc dtd dte dtf dth dtt ec- ecc ecd ece ecf ech ect ed- edc edd ede edf edh edt eec eed eee eef eet ef- efc efd efe eff efh eft ehc ehd ehe ehf ehh eht etc etd ete etf eth ett fcc fcd fce fcf fct fdc fdd fde fdf fdh fdt fec fed fee fef feh fet ffc ffd ffe fff ffh fft fhc fhe fhf fhh ftc ftd fte ftf fth ftt hcc hcd hce hcf hch hct hdc hdd hde hdf hdh hdt he- hec hed hee hef heh het hfc hfd hfe hff hfh hft hhc hhd hhe hhf hhh hht htc htd hte htf hth htt tcc tcd tce tcf tch tct tdc tdd tde tdf tdh tdt te- tec ted tee tef teh tet tfc tfd tfe tff tfh tft th- thc thd the thf thh tht ttc ttd tte ttf tth ttt