-al -er -ol a-a a-c aaa aac aae aag aah aal aao aar aas ac- aca acc ace acg ach acl aco acr acs aea aec aee aeg aeh ael aeo aer aes ag- aga agc age agg agh agl ago agr ags aha ahc ahe ahg ahh ahl aho ahr ahs al- ala alc ale alg alh all alo alr als aoa aoc aoe aog aoh aol aoo aor aos ar- ara arc are arg arh arl aro arr ars as- asa asc ase asg ash asl aso asr ass c-- caa cac cae cag cah cal cao car cas cca ccc cce ccg cch ccl cco ccr ccs ce- cea cec cee ceg ceh cel ceo cer ces cga cgc cge cgg cgh cgl cgo cgr cgs ch- cha chc che chg chh chl cho chr chs cl- cla clc cle clg clh cll clo clr cls co- coa coc coe cog coh col coo cor cos cra crc cre crg crh crl cro crr crs csa csc cse csg csh csl cso csr css eaa eac eae eag eah eal eao ear eas ec- eca ecc ece ecg ech ecl eco ecr ecs eea eec eee eeg eel eeo eer ees ega egc ege egg egh egl ego egr egs eha ehc ehe ehg ehh ehl eho ehr ehs ela elc ele elg elh ell elo elr els eo- eoa eoc eoe eog eoh eol eoo eor eos era erc ere erg erh erl ero err ers es- esa esc ese esg esh esl eso esr ess gaa gac gae gag gah gal gao gar gas gca gcc gce gcg gch gcl gco gcr gcs ge- gea gec gee geg geh gel geo ger ges gga ggc ggg ggh ggo ggr ggs gha ghc ghe ghg ghh ghl gho ghr ghs gla glc gle glg glh gll glo glr gls goa goc goe gog goh gol goo gor gos gra grc gre grg grh grl gro grr grs gsa gsc gse gsg gsl gso gsr gss haa hac hae hag hah hal hao har has hca hcc hce hcg hch hcl hco hcr hcs he- hea hec hee heg heh hel heo her hes hga hgc hge hgg hgh hgl hgo hgr hgs hha hhc hhe hhg hhh hhl hho hhr hhs hla hlc hle hlg hlh hll hlo hlr hls hoa hoc hoe hog hoh hol hoo hor hos hr- hra hrc hre hrg hrh hrl hro hrr hrs hsa hsc hse hsg hsh hsl hsr hss la- laa lac lae lag lah lal lao lar las lca lcc lce lcg lch lcl lco lcr lcs lea lec lee leg leh lel leo ler les lga lgc lge lgg lgh lgl lgo lgr lgs lha lhc lhh lho lhr lhs lla llc lle llg lll llo llr lls loa loc loe log loh lol loo lor los lra lrc lrg lrh lro lrr lrs lsa lsc lse lsg lsh lsl lso lsr lss oaa oac oae oag oah oal oao oar oas oc- oca occ ocg och ocl oco ocr ocs oea oec oee oeg oeh oel oeo oer oes oga ogc oge ogg ogh ogl ogo ogs oha ohc ohe ohg ohh ohl oho ohr ohs ola olc ole olg oll olo ols oo- ooa ooc oog ooh ool ooo oor oos or- ora orc ore org orh orl oro orr ors os- osa osc ose osg osh osl oso osr oss ra- raa rac rae rag rah ral rao rar ras rca rcc rce rcg rch rcl rco rcr rcs re- rea rec ree reg reh rel reo rer res rga rgc rge rgg rgh rgo rgr rgs rh- rha rhc rhe rhg rhh rhl rho rhr rhs rla rlc rle rlg rlh rll rlo rlr rls roa roc roe rog roh rol roo ror ros rra rrc rrg rrh rrl rrr rrs rsa rsc rse rsg rsh rsl rso rsr rss saa sac sae sag sah sal sao sar sas sca scc sce scg sch scl sco scr scs se- sea sec see seg seh sel seo ser ses sga sgc sge sgg sgh sgl sgo sgr sgs sh- sha shc she shg shh shl sho shr shs sla slc sle slg slh sll slo slr sls soa soc soe sog soh sol soo sor sos sr- sra src sre srg srh srl sro srr srs ss- ssa ssc sse ssg ssh ssl sso ssr sss