-er a-a a-c aaa aac aae aag aah aao aar aas aav ac- aca acc ace acg ach aco acr acs acv aea aec aee aeg aeh aeo aer aes aev ag- aga agc age agg agh ago agr ags agv aha ahc ahe ahg ahh aho ahr ahs ahv aoa aoc aoe aog aoh aoo aor aos aov ar- ara arc are arg arh aro arr ars arv as- asa asc ase asg ash aso asr ass asv av- ava avc ave avg avh avo avr avs c-- caa cac cae cag cah cao car cas cav cca ccc cce ccg cch cco ccr ccs ccv ce- cea cec cee ceg ceh ceo cer ces cev cga cgc cge cgg cgh cgo cgr cgs cgv ch- cha chc che chg chh cho chr chs chv co- coa coc coe cog coh coo cor cos cov cra crc cre crg crh cro crr crs crv csa csc cse csg csh cso csr css csv cva cvc cve cvg cvh cvo cvr cvs cvv eaa eac eae eag eah eao ear eas eav ec- eca ecc ece ecg ech eco ecr ecs ecv eea eec eee eeg eeo eer ees eev ega egc ege egg egh ego egr egs eha ehc ehe ehg ehh eho ehr ehs ehv eo- eoa eoc eoe eog eoh eoo eor eos era erc ere erg erh ero err ers erv es- esa esc ese esg esh eso esr ess esv eva evc eve evg evh evo evr evs evv gaa gac gae gag gah gao gar gas gav gca gcc gce gcg gch gco gcr gcs ge- gea gec gee geg geh geo ger ges gev gga ggc ggg ggh ggo ggr ggs ggv gha ghc ghe ghg ghh gho ghr ghs goa goc goe gog goh goo gor gos gov gra grc gre grg grh gro grr grs grv gsa gsc gse gsg gso gsr gss gsv gva gvc gve gvg gvh gvo gvr gvs haa hac hae hag hah hao har has hav hca hcc hce hcg hch hco hcr hcs hcv he- hea hec hee heg heh heo her hes hev hga hgc hge hgg hgh hgo hgr hgs hgv hha hhc hhe hhg hhh hho hhr hhs hhv hoa hoc hoe hog hoh hoo hor hos hov hr- hra hrc hre hrg hrh hro hrr hrs hrv hsa hsc hse hsg hsh hsr hss hsv hv- hva hvc hvg hvo hvr hvs hvv oaa oac oae oag oah oao oar oas oav oc- oca occ ocg och oco ocr ocs ocv oea oec oee oeg oeh oeo oer oes oga ogc oge ogg ogh ogo ogs oha ohc ohe ohg ohh oho ohr ohs oo- ooa ooc oog ooh ooo oor oos oov or- ora orc ore org orh oro orr ors orv os- osa osc ose osg osh oso osr oss osv ov- ova ovc ove ovh ovo ovs ovv ra- raa rac rae rag rah rao rar ras rav rca rcc rce rcg rch rco rcr rcs rcv re- rea rec ree reg reh reo rer res rev rga rgc rge rgg rgh rgo rgr rgs rgv rh- rha rhc rhe rhg rhh rho rhr rhs rhv roa roc roe rog roh roo ror ros rov rra rrc rrg rrh rrr rrs rsa rsc rse rsg rsh rso rsr rss rsv rva rvc rve rvg rvh rvo rvr rvs rvv saa sac sae sag sah sao sar sas sav sca scc sce scg sch sco scr scs scv se- sea sec see seg seh seo ser ses sev sga sgc sge sgg sgh sgo sgr sgs sgv sh- sha shc she shg shh sho shr shs shv soa soc soe sog soh soo sor sos sov sr- sra src sre srg srh sro srr srs srv ss- ssa ssc sse ssg ssh sso ssr sss ssv sva svc sve svg svo svr svs svv v-a v-e vaa vac vae vag vah vao var vas vav vca vcc vce vch vco vcr vcs vea vec vee veg veh veo ver ves vga vgc vgg vgh vgo vgr vgs vh- vha vhc vhe vho vhs voa voc voe vog voh voo vor vos vov vra vrc vre vrg vrh vrr vrs vsa vsc vse vsg vsh vso vsr vss vsv vva vvc vvg vvo vvr vvs vvv