-er -ic a-a a-c a-i a-t aaa aac aae aaf aag aai aan aap aar aat ac- aca acc ace acf acg aci acn acp acr act aea aec aee aef aeg aei aen aep aer aet af- afa afc afe aff afg afi afn afp afr aft ag- aga agc age agf agg agi agn agp agr agt ai- aia aic aie aif aig aii ain aip air ait an- ana anc ane anf ang ani ann anp anr ant ap- apa apc ape apf apg api apn app apr apt ar- ara arc are arf arg ari arn arp arr art at- ata atc ate atf atg ati atn atp atr att c-- caa cac cae caf cag cai can cap car cat cca ccc cce ccf ccg cci ccn ccp ccr cct ce- cea cec cee cef ceg cei cen cep cer cet cfa cfc cfe cff cfg cfi cfn cfp cfr cft cga cgc cge cgg cgi cgn cgp cgr cgt ci- cia cic cie cif cig cii cin cip cir cit cn- cna cnc cne cnf cng cni cnn cnp cnr cnt cpa cpc cpe cpf cpg cpi cpn cpp cpr cpt cra crc cre crf crg cri crn crp crr crt cta ctc cte ctf ctg cti ctn ctp ctr ctt eaa eac eae eaf eag eai ean eap ear eat ec- eca ecc ece ecf ecg eci ecn ecr ect eea eec eee eef eeg een eep eer eet ef- efa efc efe eff efg efi efp efr eft ega egc ege egf egg egi egn egp egr egt eia eic eie eif eig eii ein eip eir eit en- ena enc ene enf eng eni enn enp enr ent ep- epa epc epe epf epg epi epn epp epr ept era erc ere erf erg eri ern erp err ert eta etc ete etf etg eti etn etp etr ett faa fac fae faf fag fai fan fap far fat fca fcc fce fcf fcg fci fcn fcp fcr fct fea fec fee fef feg fei fen fep fer fet ffa ffc ffe fff ffg ffi ffn ffp ffr fft fga fgc fge fgf fgg fgi fgn fgp fgr fgt fia fic fie fif fig fii fin fip fir fit fna fnc fne fnf fng fni fnn fnp fnr fnt fpa fpc fpe fpg fpi fpn fpp fpr fpt fra frc fre frf frg fri frn frp frr frt fta ftc fte ftf ftg fti ftn ftp ftr ftt g-p gaa gac gae gaf gag gai gan gap gar gat gca gcc gce gcf gcg gci gcn gcp gcr gct ge- gea gec gee gef geg gei gen gep ger get gfa gfc gfe gff gfi gfp gfr gft gga ggc ggg ggi ggn ggp ggr ggt gia gic gie gif gig gii gin gip gir git gna gnc gne gnf gni gnn gnp gnr gnt gpa gpc gpe gpf gpg gpi gpn gpp gpr gpt gra grc gre grf grg gri grn grp grr grt gta gtc gte gtf gtg gti gtn gtp gtr gtt i-f ia- iaa iac iae iaf iag iai ian iap iar iat ica icc ice icf icg ici icn icp icr ict ie- iea iec iee ief ieg iei ien iep ier iet ifa ifc ife iff ifg ifi ifn ifp ifr ift iga igc ige igf igg igi ign igp igr igt iia iic iie iif iii iin iip iir iit in- ina inc ine inf ing ini inn inp inr int ipa ipc ipe ipf ipg ipi ipn ipp ipr ipt ir- ira irc ire irf irg iri irn irp irr irt ita itc ite itf itg iti itn itp itt n-i naa nac nae naf nag nai nan nap nar nat nca ncc nce ncf ncg nci ncn ncp ncr nct ne- nea nec nee nef neg nei nen nep ner net nfa nfc nfe nff nfi nfn nfp nfr nft nga ngc nge ngf ngg ngi ngn ngp ngt nia nic nie nif nig nii nin nip nir nit nna nnc nne nnf nng nni nnn nnp nnt npa npc npe npf npg npi npn npp npr npt nra nrc nre nrf nrg nri nrn nrp nrr nrt nta ntc nte ntf ntg nti ntn ntp ntr ntt p-p paa pac pae paf pag pai pan pap par pat pca pcc pce pcf pcg pci pcn pcp pcr pct pea pec pee pef peg pei pen pep per pet pfa pfc pfe pff pfg pfi pfn pfp pfr pft pga pgc pge pgf pgg pgi pgn pgp pgr pgt pia pic pie pif pig pii pin pip pir pit pn- pna pnc pne pnf png pni pnn pnp pnr pnt ppa ppc ppe ppf ppg ppi ppn ppp ppr ppt pra prc pre prf prg pri prn prp prr prt pt- pta ptc pte ptf ptg pti ptn ptp ptr ptt ra- raa rac rae raf rag rai ran rap rar rat rca rcc rce rcf rcg rci rcn rcp rcr rct re- rea rec ree ref reg rei ren rep rer ret rfa rfc rfe rff rfg rfi rfn rfp rfr rft rga rgc rge rgf rgg rgi rgn rgp rgr rgt ria ric rie rif rig rii rin rip rir rit rna rnc rng rni rnn rnp rnr rnt rpa rpc rpe rpf rpg rpi rpn rpp rpr rpt rra rrc rrf rrg rri rrn rrp rrr rrt rta rtc rte rtf rtg rti rtn rtp rtr rtt taa tac tae taf tag tai tan tap tar tat tca tcc tce tcf tcg tci tcn tcp tcr tct te- tea tec tee tef teg tei ten tep ter tet tfa tfc tfe tff tfg tfi tfn tfp tfr tft tga tgc tge tgf tgg tgi tgn tgp tgr tgt tia tic tie tif tig tii tin tip tir tit tna tnc tne tnf tng tni tnn tnp tnr tnt tpa tpc tpe tpf tpg tpi tpn tpp tpr tpt tra