-er -ic a-a a-c a-i a-t aaa aac aae aaf aag aai aak aao aap aar aas aat ac- aca acc ace acf acg aci ack aco acp acr acs act aea aec aee aef aeg aei aek aeo aep aer aes aet af- afa afc afe aff afg afi afk afo afp afr afs aft ag- aga agc age agf agg agi agk ago agp agr ags agt ai- aia aic aie aif aig aii aik aio aip air ais ait aka akc ake akg aki akk ako akp akr aks aoa aoc aoe aof aog aoi aok aoo aop aor aos aot ap- apa apc ape apf apg api apk apo app apr aps apt ar- ara arc are arf arg ari ark aro arp arr ars art as- asa asc ase asf asg asi ask aso asp asr ass ast at- ata atc ate atf atg ati ato atp atr ats att c-- caa cac cae caf cag cai cak cao cap car cas cat cca ccc cce ccf ccg cci cck cco ccp ccr ccs cct ce- cea cec cee cef ceg cei cek ceo cep cer ces cet cfa cfc cfe cff cfg cfi cfk cfo cfp cfr cfs cft cga cgc cge cgg cgi cgo cgp cgr cgs cgt ci- cia cic cie cif cig cii cik cio cip cir cis cit cka ckc cki cko cks ckt co- coa coc coe cof cog coi cok coo cop cor cos cot cpa cpc cpe cpf cpg cpi cpk cpo cpp cpr cps cpt cra crc cre crf crg cri crk cro crp crr crs crt csa csc cse csf csg csi csk cso csp csr css cst cta ctc cte ctf ctg cti ctk cto ctp ctr cts ctt eaa eac eae eaf eag eai eak eao eap ear eas eat ec- eca ecc ece ecf ecg eci eck eco ecr ecs ect eea eec eee eef eeg eek eeo eep eer ees eet ef- efa efc efe eff efg efi efo efp efr efs eft ega egc ege egf egg egi ego egp egr egs egt eia eic eie eif eig eii eik eio eip eir eis eit eka ekc eke ekf ekg eki eko ekp ekr eks ekt eo- eoa eoc eoe eof eog eoi eok eoo eop eor eos eot ep- epa epc epe epf epg epi epo epp epr eps ept era erc ere erf erg eri erk ero erp err ers ert es- esa esc ese esf esg esi esk eso esp esr ess est eta etc ete etf etg eti etk eto etp etr ets ett faa fac fae faf fag fai fak fao fap far fas fat fca fcc fce fcf fcg fci fck fco fcp fcr fcs fct fea fec fee fef feg fei fek feo fep fer fes fet ffa ffc ffe fff ffg ffi ffk ffo ffp ffr ffs fft fga fgc fge fgf fgg fgi fgp fgr fgs fgt fia fic fie fif fig fii fik fip fir fis fit fka fkc fkf fkg fki fkk fkp fkt foa foc foe fof fog foi fok foo fop for fos fot fpa fpc fpe fpg fpi fpk fpo fpp fpr fps fpt fra frc fre frf frg fri frk fro frp frr frs frt fsa fsc fse fsf fsg fsi fsk fso fsp fsr fss fst fta ftc fte ftf ftg fti ftk fto ftp ftr fts ftt g-p gaa gac gae gaf gag gai gak gao gap gar gas gat gca gcc gce gcf gcg gci gck gco gcp gcr gcs gct ge- gea gec gee gef geg gei gek geo gep ger ges get gfa gfc gfe gff gfi gfk gfo gfp gfr gfs gft gga ggc ggg ggi ggo ggp ggr ggs ggt gia gic gie gif gig gii gik gio gip gir gis git gka gko gkp gks gkt goa goc goe gof gog goi gok goo gop gor gos got gpa gpc gpe gpf gpg gpi gpk gpo gpp gpr gps gpt gra grc gre grf grg gri grk gro grp grr grs grt gsa gsc gse gsf gsg gsi gsk gso gsp gsr gss gst gta gtc gte gtf gtg gti gtk gto gtp gtr gts gtt i-f ia- iaa iac iae iaf iag iai iao iap iar ias iat ica icc ice icf icg ici ick ico icp icr ics ict ie- iea iec iee ief ieg iei iek iep ier ies iet ifa ifc ife iff ifg ifi ifo ifp ifr ifs ift iga igc ige igf igg igi igk igo igp igr igs igt iia iic iie iif iii iio iip iir iis iit ika ikc ike ikf iki ikk iko ikr iks ikt io- ioa ioc ioe iof iog ioi ioo iop ior ios iot ipa ipc ipe ipf ipg ipi ipo ipp ipr ips ipt ir- ira irc ire irf irg iri irk iro irp irr irs irt is- isa isc ise isf isg isi isk iso isp isr iss ist ita itc ite itf itg iti itk ito itp its itt k-t ka- kaa kac kae kaf kag kai kak kao kap kar kas kat kca kcc kce kcg kci kck kcp kcr kcs kct ke- kea kec kee kef keg kei kek keo kep ker kes ket kfa kfc kff kfg kfi kfo kfs kga kgc kgf kgi kgo kgp kgs kia kic kie kif kig kii kik kio kip kir kis kit kkc kke kki kkk kkp kkr kks kkt koa koc koe kof kog koi kok koo kop kor kos kot kpa kpc kpe kpf kpi kpk kpo kpp kpr kps kpt kra krc krf krg kri krk kro krp krr krs krt ksa ksc kse ksf ksg ksi ksk kso ksp ksr kss kst kta ktc kte ktf ktg ktk kto ktp ktr kts ktt o-i oaa oac oae oaf oag oai oak oao oap oar oas oat oc- oca occ ocf ocg oci ock oco ocp ocr