-er -ic a-a a-c a-i aaa aac aad aae aag aai aan aap aar ac- aca acc acd ace acg aci acn acp acr ad- ada adc add ade adg adi adn adp adr aea aec aed aee aeg aei aen aep aer ag- aga agc agd age agg agi agn agp agr ai- aia aic aid aie aig aii ain aip air an- ana anc and ane ang ani ann anp anr ap- apa apc apd ape apg api apn app apr ar- ara arc ard are arg ari arn arp arr c-- caa cac cad cae cag cai can cap car cca ccc ccd cce ccg cci ccn ccp ccr cda cdc cdd cde cdg cdi cdn cdp cdr ce- cea cec ced cee ceg cei cen cep cer cga cgc cgd cge cgg cgi cgn cgp cgr ci- cia cic cid cie cig cii cin cip cir cn- cna cnc cnd cne cng cni cnn cnp cnr cpa cpc cpd cpe cpg cpi cpn cpp cpr cra crc crd cre crg cri crn crp crr daa dac dad dae dag dai dan dap dar dca dcc dcd dce dcg dci dcn dcp dcr dda ddc ddd dde ddg ddi ddn ddp ddr de- dea dec ded dee deg dei den dep der dga dgc dgd dge dgg dgi dgn dgp dgr di- dia dic did die dig dii din dip dir dna dnc dnd dne dng dni dnn dnp dnr dpa dpc dpd dpe dpg dpi dpn dpp dpr dra drc drd dre drg dri drn drp drr eaa eac ead eae eag eai ean eap ear ec- eca ecc ecd ece ecg eci ecn ecr ed- eda edc edd ede edg edi edn edp edr eea eec eed eee eeg een eep eer ega egc egd ege egg egi egn egp egr eia eic eid eie eig eii ein eip eir en- ena enc end ene eng eni enn enp enr ep- epa epc epd epe epg epi epn epp epr era erc erd ere erg eri ern erp err g-d g-p gaa gac gad gae gag gai gan gap gar gca gcc gcd gce gcg gci gcn gcp gcr gda gdc gdd gde gdi gdn gdp gdr ge- gea gec ged gee geg gei gen gep ger gga ggc ggd ggg ggi ggn ggp ggr gia gic gid gie gig gii gin gip gir gna gnc gnd gne gni gnn gnp gnr gpa gpc gpd gpe gpg gpi gpn gpp gpr gra grc grd gre grg gri grn grp grr i-d ia- iaa iac iad iae iag iai ian iap iar ica icc icd ice icg ici icn icp icr ida idc idd ide idg idi idn idp idr ie- iea iec ied iee ieg iei ien iep ier iga igc igd ige igg igi ign igp igr iia iic iid iie iii iin iip iir in- ina inc ind ine ing ini inn inp inr ipa ipc ipd ipe ipg ipi ipn ipp ipr ir- ira irc ird ire irg iri irn irp irr n-i naa nac nad nae nag nai nan nap nar nca ncc ncd nce ncg nci ncn ncp ncr nda ndc ndd nde ndg ndi ndn ndp ndr ne- nea nec ned nee neg nei nen nep ner nga ngc ngd nge ngg ngi ngn ngp nia nic nid nie nig nii nin nip nir nna nnc nne nng nni nnn nnp npa npc npd npe npg npi npn npp npr nra nrc nrd nre nrg nri nrn nrp nrr p-p paa pac pad pae pag pai pan pap par pca pcc pcd pce pcg pci pcn pcp pcr pda pdc pdd pde pdg pdi pdn pdp pdr pea pec ped pee peg pei pen pep per pga pgc pgd pge pgg pgi pgn pgp pgr pia pic pid pie pig pii pin pip pir pn- pna pnc pnd pne png pni pnn pnp pnr ppa ppc ppd ppe ppg ppi ppn ppp ppr pra prc prd pre prg pri prn prp prr ra- raa rac rad rae rag rai ran rap rar rca rcc rcd rce rcg rci rcn rcp rcr rda rdc rdd rde rdg rdi rdn rdp rdr re- rea rec red ree reg rei ren rep rer rga rgc rgd rge rgg rgi rgn rgp rgr ria ric rid rie rig rii rin rip rir rna rnc rnd rng rni rnn rnp rnr rpa rpc rpd rpe rpg rpi rpn rpp rpr rra rrc rrd rrg rri rrn rrp rrr