-al -er -ol a-a a-c aaa aac aae aag aal aan aao aar aas ac- aca acc ace acg acl acn aco acr acs aea aec aee aeg ael aen aeo aer aes ag- aga agc age agg agl agn ago agr ags al- ala alc ale alg all aln alo alr als an- ana anc ane ang anl ann ano anr ans aoa aoc aoe aog aol aon aoo aor aos ar- ara arc are arg arl arn aro arr ars as- asa asc ase asg asl asn aso asr ass c-- caa cac cae cag cal can cao car cas cca ccc cce ccg ccl ccn cco ccr ccs ce- cea cec cee ceg cel cen ceo cer ces cga cgc cge cgg cgl cgn cgo cgr cgs cl- cla clc cle clg cll cln clo clr cls cn- cna cnc cne cng cnl cnn cno cnr cns co- coa coc coe cog col con coo cor cos cra crc cre crg crl crn cro crr crs csa csc cse csg csl csn cso csr css eaa eac eae eag eal ean eao ear eas ec- eca ecc ece ecg ecl ecn eco ecr ecs eea eec eee eeg eel een eeo eer ees ega egc ege egg egl egn ego egr egs ela elc ele elg ell eln elo elr els en- ena enc ene eng enl enn eno enr ens eo- eoa eoc eoe eog eol eon eoo eor eos era erc ere erg erl ern ero err ers es- esa esc ese esg esl esn eso esr ess gaa gac gae gag gal gan gao gar gas gca gcc gce gcg gcl gcn gco gcr gcs ge- gea gec gee geg gel gen geo ger ges gga ggc ggg ggn ggo ggr ggs gla glc gle glg gll gln glo glr gls gna gnc gne gnl gnn gno gnr gns goa goc goe gog gol gon goo gor gos gra grc gre grg grl grn gro grr grs gsa gsc gse gsg gsl gsn gso gsr gss la- laa lac lae lag lal lan lao lar las lca lcc lce lcg lcl lcn lco lcr lcs lea lec lee leg lel len leo ler les lga lgc lge lgg lgl lgn lgo lgr lgs lla llc lle llg lll lln llo llr lls lna lnc lne lng lnl lnn lno lnr lns loa loc loe log lol lon loo lor los lra lrc lrg lrn lro lrr lrs lsa lsc lse lsg lsl lsn lso lsr lss naa nac nae nag nal nan nao nar nas nca ncc nce ncg ncl ncn nco ncr ncs ne- nea nec nee neg nel nen neo ner nes nga ngc nge ngg ngl ngn ngo ngs nla nlc nle nlg nll nln nlo nlr nls nna nnc nne nng nnl nnn nno nns no- noa noc noe nog nol non noo nor nos nra nrc nre nrg nrl nrn nro nrr nrs nsa nsc nse nsg nsl nsn nso nsr nss oaa oac oae oag oal oan oao oar oas oc- oca occ ocg ocl ocn oco ocr ocs oea oec oee oeg oel oen oeo oer oes oga ogc oge ogg ogl ogn ogo ogs ola olc ole olg oll oln olo ols on- ona onc one ong onl onn ono onr ons oo- ooa ooc oog ool oon ooo oor oos or- ora orc ore org orl orn oro orr ors os- osa osc ose osg osl osn oso osr oss ra- raa rac rae rag ral ran rao rar ras rca rcc rce rcg rcl rcn rco rcr rcs re- rea rec ree reg rel ren reo rer res rga rgc rge rgg rgn rgo rgr rgs rla rlc rle rlg rll rln rlo rlr rls rna rnc rng rnn rno rnr rns roa roc roe rog rol ron roo ror ros rra rrc rrg rrl rrn rrr rrs rsa rsc rse rsg rsl rsn rso rsr rss saa sac sae sag sal san sao sar sas sca scc sce scg scl scn sco scr scs se- sea sec see seg sel sen seo ser ses sga sgc sge sgg sgl sgn sgo sgr sgs sla slc sle slg sll sln slo slr sls sna snc sne sng snl snn sno snr sns soa soc soe sog sol son soo sor sos sr- sra src sre srg srl srn sro srr srs ss- ssa ssc sse ssg ssl ssn sso ssr sss