-er a-a a-c aaa aac aae aag aah aao aar aas aau ac- aca acc ace acg ach aco acr acs acu aea aec aee aeg aeh aeo aer aes aeu ag- aga agc age agg agh ago agr ags agu aha ahc ahe ahg ahh aho ahr ahs ahu aoa aoc aoe aog aoh aoo aor aos aou ar- ara arc are arg arh aro arr ars aru as- asa asc ase asg ash aso asr ass asu au- aua auc aue aug auh auo aur aus c-- caa cac cae cag cah cao car cas cau cca ccc cce ccg cch cco ccr ccs ccu ce- cea cec cee ceg ceh ceo cer ces ceu cga cgc cge cgg cgh cgo cgr cgs cgu ch- cha chc che chg chh cho chr chs chu co- coa coc coe cog coh coo cor cos cou cra crc cre crg crh cro crr crs cru csa csc cse csg csh cso csr css csu cua cuc cue cug cuh cuo cur cus cuu eaa eac eae eag eah eao ear eas eau ec- eca ecc ece ecg ech eco ecr ecs ecu eea eec eee eeg eeo eer ees ega egc ege egg egh ego egr egs egu eha ehc ehe ehg ehh eho ehr ehs ehu eo- eoa eoc eoe eog eoh eoo eor eos eou era erc ere erg erh ero err ers eru es- esa esc ese esg esh eso esr ess esu eu- eua euc eue eug eur eus gaa gac gae gag gah gao gar gas gau gca gcc gce gcg gch gco gcr gcs gcu ge- gea gec gee geg geh geo ger ges geu gga ggc ggg ggh ggo ggr ggs ggu gha ghc ghe ghg ghh gho ghr ghs goa goc goe gog goh goo gor gos gou gra grc gre grg grh gro grr grs gru gsa gsc gse gsg gso gsr gss gsu gu- gua guc gue gug guo gur gus guu haa hac hae hag hah hao har has hau hca hcc hce hcg hch hco hcr hcs he- hea hec hee heg heh heo her hes heu hga hgc hge hgg hgh hgo hgr hgs hgu hha hhc hhe hhg hhh hho hhr hhs hhu hoa hoc hoe hog hoh hoo hor hos hou hr- hra hrc hre hrg hrh hro hrr hrs hru hsa hsc hse hsg hsh hsr hss hsu hua huc hue hug huh huo hur hus huu oaa oac oae oag oah oao oar oas oau oc- oca occ ocg och oco ocr ocs ocu oea oec oee oeg oeh oeo oer oes oga ogc oge ogg ogh ogo ogs oha ohc ohe ohg ohh oho ohr ohs ohu oo- ooa ooc oog ooh ooo oor oos or- ora orc ore org orh oro orr ors oru os- osa osc ose osg osh oso osr oss osu ou- oua ouc oue ouh ouo our ous ra- raa rac rae rag rah rao rar ras rau rca rcc rce rcg rch rco rcr rcs rcu re- rea rec ree reg reh reo rer res reu rga rgc rge rgg rgh rgo rgr rgs rh- rha rhc rhe rhg rhh rho rhr rhs rhu roa roc roe rog roh roo ror ros rou rra rrc rrg rrh rrr rrs rru rsa rsc rse rsg rsh rso rsr rss rsu rua ruc rue rug ruh ruo rur rus ruu saa sac sae sag sah sao sar sas sau sca scc sce scg sch sco scr scs scu se- sea sec see seg seh seo ser ses seu sga sgc sge sgg sgh sgo sgr sgs sgu sh- sha shc she shg shh sho shr shs shu soa soc soe sog soh soo sor sos sou sr- sra src sre srg srh sro srr srs ss- ssa ssc sse ssg ssh sso ssr sss ssu sua suc sue sug suh suo sur sus suu ua- uaa uac uae uag uah uao uar uas uau uca ucc uce ucg uch uco ucr ucs ucu uea uec uee ueg ueh uer ues uga ugc uge ugg ugh ugo ugr ugs ugu uha uhc uhe uhh uho uhr uhs uhu uoa uoc uoe uog uoo uor uos ur- ura urc ure urg uro urr urs uru usa usc use usg ush uso usr uss usu uua uuc uue uug uur uus uuu