-er -ic a-a a-c a-i aaa aac aae aaf aag aai aan aap aar ac- aca acc ace acf acg aci acn acp acr aea aec aee aef aeg aei aen aep aer af- afa afc afe aff afg afi afn afp afr ag- aga agc age agf agg agi agn agp agr ai- aia aic aie aif aig aii ain aip air an- ana anc ane anf ang ani ann anp anr ap- apa apc ape apf apg api apn app apr ar- ara arc are arf arg ari arn arp arr c-- caa cac cae caf cag cai can cap car cca ccc cce ccf ccg cci ccn ccp ccr ce- cea cec cee cef ceg cei cen cep cer cfa cfc cfe cff cfg cfi cfn cfp cfr cga cgc cge cgg cgi cgn cgp cgr ci- cia cic cie cif cig cii cin cip cir cn- cna cnc cne cnf cng cni cnn cnp cnr cpa cpc cpe cpf cpg cpi cpn cpp cpr cra crc cre crf crg cri crn crp crr eaa eac eae eaf eag eai ean eap ear ec- eca ecc ece ecf ecg eci ecn ecr eea eec eee eef eeg een eep eer ef- efa efc efe eff efg efi efp efr ega egc ege egf egg egi egn egp egr eia eic eie eif eig eii ein eip eir en- ena enc ene enf eng eni enn enp enr ep- epa epc epe epf epg epi epn epp epr era erc ere erf erg eri ern erp err faa fac fae faf fag fai fan fap far fca fcc fce fcf fcg fci fcn fcp fcr fea fec fee fef feg fei fen fep fer ffa ffc ffe fff ffg ffi ffn ffp ffr fga fgc fge fgf fgg fgi fgn fgp fgr fia fic fie fif fig fii fin fip fir fna fnc fne fnf fng fni fnn fnp fnr fpa fpc fpe fpg fpi fpn fpp fpr fra frc fre frf frg fri frn frp frr g-p gaa gac gae gaf gag gai gan gap gar gca gcc gce gcf gcg gci gcn gcp gcr ge- gea gec gee gef geg gei gen gep ger gfa gfc gfe gff gfi gfp gfr gga ggc ggg ggi ggn ggp ggr gia gic gie gif gig gii gin gip gir gna gnc gne gnf gni gnn gnp gnr gpa gpc gpe gpf gpg gpi gpn gpp gpr gra grc gre grf grg gri grn grp grr i-f ia- iaa iac iae iaf iag iai ian iap iar ica icc ice icf icg ici icn icp icr ie- iea iec iee ief ieg iei ien iep ier ifa ifc ife iff ifg ifi ifn ifp ifr iga igc ige igf igg igi ign igp igr iia iic iie iif iii iin iip iir in- ina inc ine inf ing ini inn inp inr ipa ipc ipe ipf ipg ipi ipn ipp ipr ir- ira irc ire irf irg iri irn irp irr n-i naa nac nae naf nag nai nan nap nar nca ncc nce ncf ncg nci ncn ncp ncr ne- nea nec nee nef neg nei nen nep ner nfa nfc nfe nff nfi nfn nfp nfr nga ngc nge ngf ngg ngi ngn ngp nia nic nie nif nig nii nin nip nir nna nnc nne nnf nng nni nnn nnp npa npc npe npf npg npi npn npp npr nra nrc nre nrf nrg nri nrn nrp nrr p-p paa pac pae paf pag pai pan pap par pca pcc pce pcf pcg pci pcn pcp pcr pea pec pee pef peg pei pen pep per pfa pfc pfe pff pfg pfi pfn pfp pfr pga pgc pge pgf pgg pgi pgn pgp pgr pia pic pie pif pig pii pin pip pir pn- pna pnc pne pnf png pni pnn pnp pnr ppa ppc ppe ppf ppg ppi ppn ppp ppr pra prc pre prf prg pri prn prp prr ra- raa rac rae raf rag rai ran rap rar rca rcc rce rcf rcg rci rcn rcp rcr re- rea rec ree ref reg rei ren rep rer rfa rfc rfe rff rfg rfi rfn rfp rfr rga rgc rge rgf rgg rgi rgn rgp rgr ria ric rie rif rig rii rin rip rir rna rnc rng rni rnn rnp rnr rpa rpc rpe rpf rpg rpi rpn rpp rpr rra rrc rrf rrg rri rrn rrp rrr