-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aan aap aar aat ac- aca acc acd ace acg aci acn acp acr act ad- ada adc add ade adg adi adn adp adr adt aea aec aed aee aeg aei aen aep aer aet ag- aga agc agd age agg agi agn agp agr agt ai- aia aic aid aie aig aii ain aip air ait an- ana anc and ane ang ani ann anp anr ant ap- apa apc apd ape apg api apn app apr apt ar- ara arc ard are arg ari arn arp arr art at- ata atc atd ate atg ati atn atp atr att c-- caa cac cad cae cag cai can cap car cat cca ccc ccd cce ccg cci ccn ccp ccr cct cda cdc cdd cde cdg cdi cdn cdp cdr cdt ce- cea cec ced cee ceg cei cen cep cer cet cga cgc cgd cge cgg cgi cgn cgp cgr cgt ci- cia cic cid cie cig cii cin cip cir cit cn- cna cnc cnd cne cng cni cnn cnp cnr cnt cpa cpc cpd cpe cpg cpi cpn cpp cpr cpt cra crc crd cre crg cri crn crp crr crt cta ctc ctd cte ctg cti ctn ctp ctr ctt daa dac dad dae dag dai dan dap dar dat dca dcc dcd dce dcg dci dcn dcp dcr dct dda ddc ddd dde ddg ddi ddn ddp ddr ddt de- dea dec ded dee deg dei den dep der det dga dgc dgd dge dgg dgi dgn dgp dgr dgt di- dia dic did die dig dii din dip dir dit dna dnc dnd dne dng dni dnn dnp dnr dnt dpa dpc dpd dpe dpg dpi dpn dpp dpr dpt dra drc drd dre drg dri drn drp drr drt dta dtc dtd dte dtg dti dtn dtp dtr dtt eaa eac ead eae eag eai ean eap ear eat ec- eca ecc ecd ece ecg eci ecn ecr ect ed- eda edc edd ede edg edi edn edp edr edt eea eec eed eee eeg een eep eer eet ega egc egd ege egg egi egn egp egr egt eia eic eid eie eig eii ein eip eir eit en- ena enc end ene eng eni enn enp enr ent ep- epa epc epd epe epg epi epn epp epr ept era erc erd ere erg eri ern erp err ert eta etc etd ete etg eti etn etp etr ett g-d g-p gaa gac gad gae gag gai gan gap gar gat gca gcc gcd gce gcg gci gcn gcp gcr gct gda gdc gdd gde gdi gdn gdp gdr gdt ge- gea gec ged gee geg gei gen gep ger get gga ggc ggd ggg ggi ggn ggp ggr ggt gia gic gid gie gig gii gin gip gir git gna gnc gnd gne gni gnn gnp gnr gnt gpa gpc gpd gpe gpg gpi gpn gpp gpr gpt gra grc grd gre grg gri grn grp grr grt gta gtc gtd gte gtg gti gtn gtp gtr gtt i-d ia- iaa iac iad iae iag iai ian iap iar iat ica icc icd ice icg ici icn icp icr ict ida idc idd ide idg idi idn idp idr idt ie- iea iec ied iee ieg iei ien iep ier iet iga igc igd ige igg igi ign igp igr igt iia iic iid iie iii iin iip iir iit in- ina inc ind ine ing ini inn inp inr int ipa ipc ipd ipe ipg ipi ipn ipp ipr ipt ir- ira irc ird ire irg iri irn irp irr irt ita itc itd ite itg iti itn itp itt n-i naa nac nad nae nag nai nan nap nar nat nca ncc ncd nce ncg nci ncn ncp ncr nct nda ndc ndd nde ndg ndi ndn ndp ndr ndt ne- nea nec ned nee neg nei nen nep ner net nga ngc ngd nge ngg ngi ngn ngp ngt nia nic nid nie nig nii nin nip nir nit nna nnc nne nng nni nnn nnp nnt npa npc npd npe npg npi npn npp npr npt nra nrc nrd nre nrg nri nrn nrp nrr nrt nta ntc ntd nte ntg nti ntn ntp ntr ntt p-p paa pac pad pae pag pai pan pap par pat pca pcc pcd pce pcg pci pcn pcp pcr pct pda pdc pdd pde pdg pdi pdn pdp pdr pdt pea pec ped pee peg pei pen pep per pet pga pgc pgd pge pgg pgi pgn pgp pgr pgt pia pic pid pie pig pii pin pip pir pit pn- pna pnc pnd pne png pni pnn pnp pnr pnt ppa ppc ppd ppe ppg ppi ppn ppp ppr ppt pra prc prd pre prg pri prn prp prr prt pt- pta ptc ptd pte ptg pti ptn ptp ptr ptt ra- raa rac rad rae rag rai ran rap rar rat rca rcc rcd rce rcg rci rcn rcp rcr rct rda rdc rdd rde rdg rdi rdn rdp rdr rdt re- rea rec red ree reg rei ren rep rer ret rga rgc rgd rge rgg rgi rgn rgp rgr rgt ria ric rid rie rig rii rin rip rir rit rna rnc rnd rng rni rnn rnp rnr rnt rpa rpc rpd rpe rpg rpi rpn rpp rpr rpt rra rrc rrd rrg rri rrn rrp rrr rrt rta rtc rtd rte rtg rti rtn rtp rtr rtt taa tac tad tae tag tai tan tap tar tat tca tcc tcd tce tcg tci tcn tcp tcr tct tda tdc tdd tde tdg tdi tdn tdp tdr tdt te- tea tec ted tee teg tei ten tep ter tet tga tgc tge tgg tgi tgn tgp tgr tgt tia tic tid tie tig tii tin tip tir tit tna tnc tnd tne tng tni tnn tnp tnr tnt tpa tpc tpd