-er -ic a-a a-c a-i a-t aaa aac aae aag aai aak aan aap aar aas aat ac- aca acc ace acg aci ack acn acp acr acs act aea aec aee aeg aei aek aen aep aer aes aet ag- aga agc age agg agi agk agn agp agr ags agt ai- aia aic aie aig aii aik ain aip air ais ait aka akc ake akg aki akk akn akp akr aks an- ana anc ane ang ani ank ann anp anr ans ant ap- apa apc ape apg api apk apn app apr aps apt ar- ara arc are arg ari ark arn arp arr ars art as- asa asc ase asg asi ask asn asp asr ass ast at- ata atc ate atg ati atn atp atr ats att c-- caa cac cae cag cai cak can cap car cas cat cca ccc cce ccg cci cck ccn ccp ccr ccs cct ce- cea cec cee ceg cei cek cen cep cer ces cet cga cgc cge cgg cgi cgn cgp cgr cgs cgt ci- cia cic cie cig cii cik cin cip cir cis cit cka ckc cki cks ckt cn- cna cnc cne cng cni cnn cnp cnr cns cnt cpa cpc cpe cpg cpi cpk cpn cpp cpr cps cpt cra crc cre crg cri crk crn crp crr crs crt csa csc cse csg csi csk csn csp csr css cst cta ctc cte ctg cti ctk ctn ctp ctr cts ctt eaa eac eae eag eai eak ean eap ear eas eat ec- eca ecc ece ecg eci eck ecn ecr ecs ect eea eec eee eeg eek een eep eer ees eet ega egc ege egg egi egn egp egr egs egt eia eic eie eig eii eik ein eip eir eis eit eka ekc eke ekg eki ekp ekr eks ekt en- ena enc ene eng eni enk enn enp enr ens ent ep- epa epc epe epg epi epn epp epr eps ept era erc ere erg eri erk ern erp err ers ert es- esa esc ese esg esi esk esn esp esr ess est eta etc ete etg eti etk etn etp etr ets ett g-p gaa gac gae gag gai gak gan gap gar gas gat gca gcc gce gcg gci gck gcn gcp gcr gcs gct ge- gea gec gee geg gei gek gen gep ger ges get gga ggc ggg ggi ggn ggp ggr ggs ggt gia gic gie gig gii gik gin gip gir gis git gka gkn gkp gks gkt gna gnc gne gni gnn gnp gnr gns gnt gpa gpc gpe gpg gpi gpk gpn gpp gpr gps gpt gra grc gre grg gri grk grn grp grr grs grt gsa gsc gse gsg gsi gsk gsn gsp gsr gss gst gta gtc gte gtg gti gtk gtn gtp gtr gts gtt ia- iaa iac iae iag iai ian iap iar ias iat ica icc ice icg ici ick icn icp icr ics ict ie- iea iec iee ieg iei iek ien iep ier ies iet iga igc ige igg igi igk ign igp igr igs igt iia iic iie iii iin iip iir iis iit ika ikc ike iki ikk ikr iks ikt in- ina inc ine ing ini ink inn inp inr ins int ipa ipc ipe ipg ipi ipn ipp ipr ips ipt ir- ira irc ire irg iri irk irn irp irr irs irt is- isa isc ise isg isi isk isn isp isr iss ist ita itc ite itg iti itk itn itp its itt k-t ka- kaa kac kae kag kai kak kan kap kar kas kat kca kcc kce kcg kci kck kcn kcp kcr kcs kct ke- kea kec kee keg kei kek ken kep ker kes ket kga kgc kgi kgp kgs kia kic kie kig kii kik kin kip kir kis kit kkc kke kki kkk kkn kkp kkr kks kkt kn- kna knc kne kng kni knk knn knp knr knt kpa kpc kpe kpi kpk kpn kpp kpr kps kpt kra krc krg kri krk krn krp krr krs krt ksa ksc kse ksg ksi ksk ksn ksp ksr kss kst kta ktc kte ktg ktk ktn ktp ktr kts ktt n-i naa nac nae nag nai nak nan nap nar nas nat nca ncc nce ncg nci nck ncn ncp ncr ncs nct ne- nea nec nee neg nei nek nen nep ner nes net nga ngc nge ngg ngi ngk ngn ngp ngs ngt nia nic nie nig nii nik nin nip nir nis nit nka nkc nke nki nkk nkn nkp nkr nks nkt nna nnc nne nng nni nnk nnn nnp nns nnt npa npc npe npg npi npn npp npr nps npt nra nrc nre nrg nri nrk nrn nrp nrr nrs nrt nsa nsc nse nsg nsi nsk nsn nsp nsr nss nst nta ntc nte ntg nti ntk ntn ntp ntr nts ntt p-p paa pac pae pag pai pak pan pap par pas pat pca pcc pce pcg pci pck pcn pcp pcr pcs pct pea pec pee peg pei pek pen pep per pes pet pga pgc pge pgg pgi pgk pgn pgp pgr pgs pgt pia pic pie pig pii pik pin pip pir pis pit pka pkc pke pkg pki pkn pkp pkr pks pkt pn- pna pnc pne png pni pnk pnn pnp pnr pns pnt ppa ppc ppe ppg ppi ppk ppn ppp ppr pps ppt pra prc pre prg pri prk prn prp prr prs prt ps- psa psc pse psg psi psk psn psp psr pss pst pt- pta ptc pte ptg pti ptk ptn ptp ptr pts ptt ra- raa rac rae rag rai rak ran rap rar ras rat rca rcc rce rcg rci rcn rcp rcr rcs rct re- rea rec ree reg rei rek ren rep rer res ret rga rgc rge rgg rgi rgk rgn rgp rgr rgs