-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aak aan aar aas aat ac- aca acc acd ace acg aci ack acn acr acs act ad- ada adc add ade adg adi adk adn adr ads adt aea aec aed aee aeg aei aek aen aer aes aet ag- aga agc agd age agg agi agk agn agr ags agt ai- aia aic aid aie aig aii aik ain air ais ait aka akc akd ake akg aki akk akn akr aks an- ana anc and ane ang ani ank ann anr ans ant ar- ara arc ard are arg ari ark arn arr ars art as- asa asc asd ase asg asi ask asn asr ass ast at- ata atc atd ate atg ati atn atr ats att c-- caa cac cad cae cag cai cak can car cas cat cca ccc ccd cce ccg cci cck ccn ccr ccs cct cda cdc cdd cde cdg cdi cdk cdn cdr cds cdt ce- cea cec ced cee ceg cei cek cen cer ces cet cga cgc cgd cge cgg cgi cgn cgr cgs cgt ci- cia cic cid cie cig cii cik cin cir cis cit cka ckc ckd cki cks ckt cn- cna cnc cnd cne cng cni cnn cnr cns cnt cra crc crd cre crg cri crk crn crr crs crt csa csc csd cse csg csi csk csn csr css cst cta ctc ctd cte ctg cti ctk ctn ctr cts ctt daa dac dad dae dag dai dak dan dar das dat dca dcc dcd dce dcg dci dck dcn dcr dcs dct dda ddc ddd dde ddg ddi ddk ddn ddr dds ddt de- dea dec ded dee deg dei dek den der des det dga dgc dgd dge dgg dgi dgk dgn dgr dgs dgt di- dia dic did die dig dii dik din dir dis dit dka dkc dke dkg dki dkk dkr dks dkt dna dnc dnd dne dng dni dnk dnn dnr dns dnt dra drc drd dre drg dri drk drn drr drs drt dsa dsc dsd dse dsg dsi dsk dsn dsr dss dst dta dtc dtd dte dtg dti dtk dtn dtr dts dtt eaa eac ead eae eag eai eak ean ear eas eat ec- eca ecc ecd ece ecg eci eck ecn ecr ecs ect ed- eda edc edd ede edg edi edk edn edr eds edt eea eec eed eee eeg eek een eer ees eet ega egc egd ege egg egi egn egr egs egt eia eic eid eie eig eii eik ein eir eis eit eka ekc ekd eke ekg eki ekr eks ekt en- ena enc end ene eng eni enk enn enr ens ent era erc erd ere erg eri erk ern err ers ert es- esa esc esd ese esg esi esk esn esr ess est eta etc etd ete etg eti etk etn etr ets ett g-d gaa gac gad gae gag gai gak gan gar gas gat gca gcc gcd gce gcg gci gck gcn gcr gcs gct gda gdc gdd gde gdi gdk gdn gdr gds gdt ge- gea gec ged gee geg gei gek gen ger ges get gga ggc ggd ggg ggi ggn ggr ggs ggt gia gic gid gie gig gii gik gin gir gis git gka gkd gkn gks gkt gna gnc gnd gne gni gnn gnr gns gnt gra grc grd gre grg gri grk grn grr grs grt gsa gsc gsd gse gsg gsi gsk gsn gsr gss gst gta gtc gtd gte gtg gti gtk gtn gtr gts gtt i-d ia- iaa iac iad iae iag iai ian iar ias iat ica icc icd ice icg ici ick icn icr ics ict ida idc idd ide idg idi idk idn idr ids idt ie- iea iec ied iee ieg iei iek ien ier ies iet iga igc igd ige igg igi igk ign igr igs igt iia iic iid iie iii iin iir iis iit ika ikc ike iki ikk ikr iks ikt in- ina inc ind ine ing ini ink inn inr ins int ir- ira irc ird ire irg iri irk irn irr irs irt is- isa isc isd ise isg isi isk isn isr iss ist ita itc itd ite itg iti itk itn its itt k-t ka- kaa kac kad kae kag kai kak kan kar kas kat kca kcc kcd kce kcg kci kck kcn kcr kcs kct kda kdc kde kdg kdk kdr kds kdt ke- kea kec ked kee keg kei kek ken ker kes ket kga kgc kgd kgi kgs kia kic kid kie kig kii kik kin kir kis kit kkc kke kki kkk kkn kkr kks kkt kn- kna knc knd kne kng kni knk knn knr knt kra krc krd krg kri krk krn krr krs krt ksa ksc ksd kse ksg ksi ksk ksn ksr kss kst kta ktc kte ktg ktk ktn ktr kts ktt n-i naa nac nad nae nag nai nak nan nar nas nat nca ncc ncd nce ncg nci nck ncn ncr ncs nct nda ndc ndd nde ndg ndi ndk ndn ndr nds ndt ne- nea nec ned nee neg nei nek nen ner nes net nga ngc ngd nge ngg ngi ngk ngn ngs ngt nia nic nid nie nig nii nik nin nir nis nit nka nkc nke nki nkk nkn nkr nks nkt nna nnc nne nng nni nnk nnn nns nnt nra nrc nrd nre nrg nri nrk nrn nrr nrs nrt nsa nsc nsd nse nsg nsi nsk nsn nsr nss nst nta ntc ntd nte ntg nti ntk ntn ntr nts ntt ra- raa rac rad rae rag rai rak ran rar ras rat rca rcc rcd rce rcg rci rcn rcr rcs rct rda rdc rdd rde rdg rdi rdn rdr rds rdt re- rea rec red ree reg rei rek ren rer res ret rga rgc rgd rge