-er -ic c-- ccc ccd cce ccg cci ccn ccp ccr cct cdc cdd cde cdg cdi cdn cdp cdr cdt ce- cec ced cee ceg cei cen cep cer cet cgc cgd cge cgg cgi cgn cgp cgr cgt ci- cic cid cie cig cii cin cip cir cit cn- cnc cnd cne cng cni cnn cnp cnr cnt cpc cpd cpe cpg cpi cpn cpp cpr cpt crc crd cre crg cri crn crp crr crt ctc ctd cte ctg cti ctn ctp ctr ctt dcc dcd dce dcg dci dcn dcp dcr dct ddc ddd dde ddg ddi ddn ddp ddr ddt de- dec ded dee deg dei den dep der det dgc dgd dge dgg dgi dgn dgp dgr dgt di- dic did die dig dii din dip dir dit dnc dnd dne dng dni dnn dnp dnr dnt dpc dpd dpe dpg dpi dpn dpp dpr dpt drc drd dre drg dri drn drp drr drt dtc dtd dte dtg dti dtn dtp dtr dtt ec- ecc ecd ece ecg eci ecn ecr ect ed- edc edd ede edg edi edn edp edr edt eec eed eee eeg een eep eer eet egc egd ege egg egi egn egp egr egt eic eid eie eig eii ein eip eir eit en- enc end ene eng eni enn enp enr ent ep- epc epd epe epg epi epn epp epr ept erc erd ere erg eri ern erp err ert etc etd ete etg eti etn etp etr ett g-d g-p gcc gcd gce gcg gci gcn gcp gcr gct gdc gdd gde gdi gdn gdp gdr gdt ge- gec ged gee geg gei gen gep ger get ggc ggd ggg ggi ggn ggp ggr ggt gic gid gie gig gii gin gip gir git gnc gnd gne gni gnn gnp gnr gnt gpc gpd gpe gpg gpi gpn gpp gpr gpt grc grd gre grg gri grn grp grr grt gtc gtd gte gtg gti gtn gtp gtr gtt i-d icc icd ice icg ici icn icp icr ict idc idd ide idg idi idn idp idr idt ie- iec ied iee ieg iei ien iep ier iet igc igd ige igg igi ign igp igr igt iic iid iie iii iin iip iir iit in- inc ind ine ing ini inn inp inr int ipc ipd ipe ipg ipi ipn ipp ipr ipt ir- irc ird ire irg iri irn irp irr irt itc itd ite itg iti itn itp itt n-i ncc ncd nce ncg nci ncn ncp ncr nct ndc ndd nde ndg ndi ndn ndp ndr ndt ne- nec ned nee neg nei nen nep ner net ngc ngd nge ngg ngi ngn ngp ngt nic nid nie nig nii nin nip nir nit nnc nne nng nni nnn nnp nnt npc npd npe npg npi npn npp npr npt nrc nrd nre nrg nri nrn nrp nrr nrt ntc ntd nte ntg nti ntn ntp ntr ntt p-p pcc pcd pce pcg pci pcn pcp pcr pct pdc pdd pde pdg pdi pdn pdp pdr pdt pec ped pee peg pei pen pep per pet pgc pgd pge pgg pgi pgn pgp pgr pgt pic pid pie pig pii pin pip pir pit pn- pnc pnd pne png pni pnn pnp pnr pnt ppc ppd ppe ppg ppi ppn ppp ppr ppt prc prd pre prg pri prn prp prr prt pt- ptc ptd pte ptg pti ptn ptp ptr ptt rcc rcd rce rcg rci rcn rcp rcr rct rdc rdd rde rdg rdi rdn rdp rdr rdt re- rec red ree reg rei ren rep rer ret rgc rgd rge rgg rgi rgn rgp rgr rgt ric rid rie rig rii rin rip rir rit rnc rnd rng rni rnn rnp rnr rnt rpc rpd rpe rpg rpi rpn rpp rpr rpt rrc rrd rrg rri rrn rrp rrr rrt rtc rtd rte rtg rti rtn rtp rtr rtt tcc tcd tce tcg tci tcn tcp tcr tct tdc tdd tde tdg tdi tdn tdp tdr tdt te- tec ted tee teg tei ten tep ter tet tgc tge tgg tgi tgn tgp tgr tgt tic tid tie tig tii tin tip tir tit tnc tnd tne tng tni tnn tnp tnr tnt tpc tpd tpe tpg tpi tpn tpp tpr tpt trc trd tre trg tri trn trp trr trt ttc ttd tte ttg tti ttn ttp ttr ttt