-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aak aao aar aas aat ac- aca acc acd ace acg aci ack aco acr acs act ad- ada adc add ade adg adi adk ado adr ads adt aea aec aed aee aeg aei aek aeo aer aes aet ag- aga agc agd age agg agi agk ago agr ags agt ai- aia aic aid aie aig aii aik aio air ais ait aka akc akd ake akg aki akk ako akr aks aoa aoc aod aoe aog aoi aok aoo aor aos aot ar- ara arc ard are arg ari ark aro arr ars art as- asa asc asd ase asg asi ask aso asr ass ast at- ata atc atd ate atg ati ato atr ats att c-- caa cac cad cae cag cai cak cao car cas cat cca ccc ccd cce ccg cci cck cco ccr ccs cct cda cdc cdd cde cdg cdi cdk cdo cdr cds cdt ce- cea cec ced cee ceg cei cek ceo cer ces cet cga cgc cgd cge cgg cgi cgo cgr cgs cgt ci- cia cic cid cie cig cii cik cio cir cis cit cka ckc ckd cki cko cks ckt co- coa coc cod coe cog coi cok coo cor cos cot cra crc crd cre crg cri crk cro crr crs crt csa csc csd cse csg csi csk cso csr css cst cta ctc ctd cte ctg cti ctk cto ctr cts ctt daa dac dad dae dag dai dak dao dar das dat dca dcc dcd dce dcg dci dck dco dcr dcs dct dda ddc ddd dde ddg ddi ddk ddo ddr dds ddt de- dea dec ded dee deg dei dek deo der des det dga dgc dgd dge dgg dgi dgk dgr dgs dgt di- dia dic did die dig dii dik dio dir dis dit dka dkc dke dkg dki dkk dko dkr dks dkt doa doc dod doe dog doi dok doo dor dos dot dra drc drd dre drg dri drk dro drr drs drt dsa dsc dsd dse dsg dsi dsk dso dsr dss dst dta dtc dtd dte dtg dti dtk dto dtr dts dtt eaa eac ead eae eag eai eak eao ear eas eat ec- eca ecc ecd ece ecg eci eck eco ecr ecs ect ed- eda edc edd ede edg edi edk edo edr eds edt eea eec eed eee eeg eek eeo eer ees eet ega egc egd ege egg egi ego egr egs egt eia eic eid eie eig eii eik eio eir eis eit eka ekc ekd eke ekg eki eko ekr eks ekt eo- eoa eoc eod eoe eog eoi eok eoo eor eos eot era erc erd ere erg eri erk ero err ers ert es- esa esc esd ese esg esi esk eso esr ess est eta etc etd ete etg eti etk eto etr ets ett g-d gaa gac gad gae gag gai gak gao gar gas gat gca gcc gcd gce gcg gci gck gco gcr gcs gct gda gdc gdd gde gdi gdk gdo gdr gds gdt ge- gea gec ged gee geg gei gek geo ger ges get gga ggc ggd ggg ggi ggo ggr ggs ggt gia gic gid gie gig gii gik gio gir gis git gka gkd gko gks gkt goa goc god goe gog goi gok goo gor gos got gra grc grd gre grg gri grk gro grr grs grt gsa gsc gsd gse gsg gsi gsk gso gsr gss gst gta gtc gtd gte gtg gti gtk gto gtr gts gtt i-d ia- iaa iac iad iae iag iai iao iar ias iat ica icc icd ice icg ici ick ico icr ics ict ida idc idd ide idg idi idk ido idr ids idt ie- iea iec ied iee ieg iei iek ier ies iet iga igc igd ige igg igi igk igo igr igs igt iia iic iid iie iii iio iir iis iit ika ikc ike iki ikk iko ikr iks ikt io- ioa ioc iod ioe iog ioi ioo ior ios iot ir- ira irc ird ire irg iri irk iro irr irs irt is- isa isc isd ise isg isi isk iso isr iss ist ita itc itd ite itg iti itk ito its itt k-t ka- kaa kac kad kae kag kai kak kao kar kas kat kca kcc kcd kce kcg kci kck kcr kcs kct kda kdc kde kdg kdk kdo kdr kds kdt ke- kea kec ked kee keg kei kek keo ker kes ket kga kgc kgd kgi kgo kgs kia kic kid kie kig kii kik kio kir kis kit kkc kke kki kkk kkr kks kkt koa koc kod koe kog koi kok koo kor kos kot kra krc krd krg kri krk kro krr krs krt ksa ksc ksd kse ksg ksi ksk kso ksr kss kst kta ktc kte ktg ktk kto ktr kts ktt o-i oaa oac oad oae oag oai oak oao oar oas oat oc- oca occ ocd ocg oci ock oco ocr ocs oct oda odc odd ode odg odi odo odr ods odt oea oec oed oee oeg oei oeo oer oes oet oga ogc ogd oge ogg ogi ogo ogs ogt oia oic oid oie oii oik oio oir ois oit oka okc okd oke okg oki okk oko okr oks oo- ooa ooc ood oog ooi ook ooo oor oos oot or- ora orc ord ore org ori ork oro orr ors ort os- osa osc osd ose osg osi osk oso osr oss ost ot- ota otc otd ote otg oti otk oto otr ots ott ra- raa rac rad rae rag rai rak rao rar ras rat rca rcc rcd rce rcg rci rco rcr rcs rct rda rdc rdd rde rdg rdi rdo rdr rds rdt re- rea rec red ree reg rei rek reo rer res ret