-er -th c-- ccc ccd cce cch ccn ccp ccr cct cdc cdd cde cdh cdn cdp cdr cdt ce- cec ced cee ceh cen cep cer cet ch- chc chd che chh chn chp chr cht cn- cnc cnd cne cnh cnn cnp cnr cnt cpc cpd cpe cph cpn cpp cpr cpt crc crd cre crh crn crp crr crt ctc ctd cte cth ctn ctp ctr ctt dcc dcd dce dcn dcp dcr dct ddc ddd dde ddh ddn ddp ddr ddt de- dec ded dee deh den dep der det dh- dhc dhd dhe dhh dhp dhr dht dnc dnd dne dnh dnn dnp dnr dnt dpc dpd dpe dph dpn dpp dpr dpt drc drd dre drn drp drr drt dtc dtd dte dth dtn dtp dtr dtt ec- ecc ecd ece ech ecn ecr ect ed- edc edd ede edh edn edp edr edt eec eed eee een eep eer eet ehc ehd ehe ehh ehn ehp ehr eht en- enc end ene enh enn enp enr ent ep- epc epd epe eph epn epp epr ept erc erd ere erh ern erp err ert etc etd ete eth etn etp etr ett hcc hcd hce hch hcn hcp hcr hct hdc hdd hde hdh hdn hdp hdr hdt he- hec hed hee heh hen hep her het hhc hhd hhe hhh hhn hhp hhr hht hnc hnd hne hnh hnn hnt hpc hpd hpe hph hpn hpp hpr hpt hr- hrc hrd hre hrh hrn hrp hrr hrt htc htd hte hth htn htp htr htt ncc ncd nce nch ncn ncp ncr nct ndc ndd nde ndh ndn ndp ndr ndt ne- nec ned nee neh nen nep ner net nhc nhd nhe nhh nhn nhp nhr nht nnc nne nnh nnn nnp nnt npc npd npe nph npn npp npr npt nrc nrd nre nrn nrp nrr nrt ntc ntd nte nth ntn ntp ntr ntt p-p pcc pcd pce pch pcn pcp pcr pct pdc pdd pde pdh pdn pdp pdr pdt pec ped pee peh pen pep per pet phc phd phe phn php phr pht pn- pnc pnd pne pnh pnn pnp pnr pnt ppc ppd ppe pph ppn ppp ppr ppt prc prd pre prh prn prp prr prt pt- ptc ptd pte pth ptn ptp ptr ptt rcc rcd rce rch rcn rcp rcr rct rdc rdd rde rdh rdn rdp rdr rdt re- rec red ree reh ren rep rer ret rh- rhc rhd rhe rhh rhn rhp rhr rht rnc rnd rnh rnn rnp rnr rnt rpc rpd rpe rph rpn rpp rpr rpt rrc rrd rrh rrn rrp rrr rrt rtc rtd rte rtn rtp rtr rtt tcc tcd tce tch tcn tcp tcr tct tdc tdd tde tdh tdn tdp tdr tdt te- tec ted tee teh ten tep ter tet th- thc thd the thh thn thp thr tht tnc tnd tne tnh tnn tnp tnr tnt tpc tpd tpe tph tpn tpp tpr tpt trc trd tre trh trn trp trr trt ttc ttd tte tth ttn ttp ttr ttt