-er a-a a-c aaa aac aae aag aan aao aar aas aaw ac- aca acc ace acg acn aco acr acs acw aea aec aee aeg aen aeo aer aes aew ag- aga agc age agg agn ago agr ags agw an- ana anc ane ang ann ano anr ans aoa aoc aoe aog aon aoo aor aos aow ar- ara arc are arg arn aro arr ars arw as- asa asc ase asg asn aso asr ass asw aw- awa awc awe awg awn awo awr aws aww c-- caa cac cae cag can cao car cas caw cca ccc cce ccg ccn cco ccr ccs ccw ce- cea cec cee ceg cen ceo cer ces cew cga cgc cge cgg cgn cgo cgr cgs cgw cn- cna cnc cne cng cnn cno cnr cns cnw co- coa coc coe cog con coo cor cos cow cra crc cre crg crn cro crr crs crw csa csc cse csg csn cso csr css csw cw- cwa cwc cwe cwg cwn cwo cwr cws eaa eac eae eag ean eao ear eas eaw ec- eca ecc ece ecg ecn eco ecr ecs ecw eea eec eee eeg een eeo eer ees eew ega egc ege egg egn ego egr egs egw en- ena enc ene eng enn eno enr ens enw eo- eoa eoc eoe eog eon eoo eor eos eow era erc ere erg ern ero err ers erw es- esa esc ese esg esn eso esr ess esw ewa ewc ewe ewo ewr ews eww gaa gac gae gag gan gao gar gas gaw gca gcc gce gcg gcn gco gcr gcs gcw ge- gea gec gee geg gen geo ger ges gew gga ggc ggg ggn ggo ggr ggs ggw gna gnc gne gnn gno gnr gns gnw goa goc goe gog gon goo gor gos gow gra grc gre grg grn gro grr grs grw gsa gsc gse gsg gsn gso gsr gss gsw gwa gwc gwe gwg gwn gwr gws naa nac nae nag nan nao nar nas naw nca ncc nce ncg ncn nco ncr ncs ncw ne- nea nec nee neg nen neo ner nes new nga ngc nge ngg ngn ngo ngs ngw nna nnc nne nng nnn nno nns nnw no- noa noc noe nog non noo nor nos now nra nrc nre nrg nrn nro nrr nrs nrw nsa nsc nse nsg nsn nso nsr nss nsw nwa nwc nwe nwn nwo nwr nws oaa oac oae oag oan oao oar oas oaw oc- oca occ ocg ocn oco ocr ocs ocw oea oec oee oeg oen oeo oer oes oga ogc oge ogg ogn ogo ogs on- ona onc one ong onn ono onr ons oo- ooa ooc oog oon ooo oor oos oow or- ora orc ore org orn oro orr ors os- osa osc ose osg osn oso osr oss osw owa owc owe own owo ows oww ra- raa rac rae rag ran rao rar ras raw rca rcc rce rcg rcn rco rcr rcs rcw re- rea rec ree reg ren reo rer res rew rga rgc rge rgg rgn rgo rgr rgs rgw rna rnc rng rnn rno rnr rns rnw roa roc roe rog ron roo ror ros row rra rrc rrg rrn rrr rrs rsa rsc rse rsg rsn rso rsr rss rsw rwa rwc rwe rwr rws saa sac sae sag san sao sar sas saw sca scc sce scg scn sco scr scs scw se- sea sec see seg sen seo ser ses sew sga sgc sge sgg sgn sgo sgr sgs sna snc sne sng snn sno snr sns snw soa soc soe sog son soo sor sos sow sr- sra src sre srg srn sro srr srs srw ss- ssa ssc sse ssg ssn sso ssr sss ssw swa swc swe swg swn swo swr sws waa wac wae wag wan wao war was waw wca wcc wce wcg wcn wco wcr wcs wcw wea wec wee weg wen weo wer wes wew wga wgc wgn wgo wgr wgs wgw wn- wna wnc wne wng wnn wno wns wnw woa woc woe wog won woo wor wos wow wr- wra wrc wre wrg wrn wro wrr wrs wrw wsa wsc wse wsg wsn wso wsr wss wsw wwa wwc wwe wwn wwo www