-al -er a-a a-c aaa aac aae aaf aag aah aal aar aas ac- aca acc ace acf acg ach acl acr acs aea aec aee aef aeg aeh ael aer aes af- afa afc afe aff afg afh afl afr afs ag- aga agc age agf agg agh agl agr ags aha ahc ahe ahf ahg ahh ahl ahr ahs al- ala alc ale alf alg alh all alr als ar- ara arc are arf arg arh arl arr ars as- asa asc ase asf asg ash asl asr ass c-- caa cac cae caf cag cah cal car cas cca ccc cce ccf ccg cch ccl ccr ccs ce- cea cec cee cef ceg ceh cel cer ces cfa cfc cfe cff cfg cfh cfl cfr cfs cga cgc cge cgg cgh cgl cgr cgs ch- cha chc che chf chg chh chl chr chs cl- cla clc cle clf clg clh cll clr cls cra crc cre crf crg crh crl crr crs csa csc cse csf csg csh csl csr css eaa eac eae eaf eag eah eal ear eas ec- eca ecc ece ecf ecg ech ecl ecr ecs eea eec eee eef eeg eel eer ees ef- efa efc efe eff efg efh efl efr efs ega egc ege egf egg egh egl egr egs eha ehc ehe ehf ehg ehh ehl ehr ehs ela elc ele elf elg elh ell elr els era erc ere erf erg erh erl err ers es- esa esc ese esf esg esh esl esr ess faa fac fae faf fag fah fal far fas fca fcc fce fcf fcg fcl fcr fcs fea fec fee fef feg feh fel fer fes ffa ffc ffe fff ffg ffh ffl ffr ffs fga fgc fge fgf fgg fgh fgl fgr fgs fha fhc fhe fhf fhg fhh fhl fhr fhs fla flc fle flf flg fll flr fls fra frc fre frf frg frh frl frr frs fsa fsc fse fsf fsg fsh fsl fsr fss gaa gac gae gaf gag gah gal gar gas gca gcc gce gcf gcg gch gcl gcr gcs ge- gea gec gee gef geg geh gel ger ges gfa gfc gfe gff gfh gfl gfr gfs gga ggc ggg ggh ggr ggs gha ghc ghe ghg ghh ghl ghr ghs gla glc gle glf glg glh gll glr gls gra grc gre grf grg grh grl grr grs gsa gsc gse gsf gsg gsl gsr gss haa hac hae haf hag hah hal har has hca hcc hce hcf hcg hch hcl hcr hcs he- hea hec hee hef heg heh hel her hes hfa hfc hfe hff hfg hfh hfl hfr hfs hga hgc hge hgf hgg hgh hgl hgr hgs hha hhc hhe hhf hhg hhh hhl hhr hhs hla hlc hle hlf hlg hlh hll hlr hls hr- hra hrc hre hrf hrg hrh hrl hrr hrs hsa hsc hse hsf hsg hsh hsl hsr hss la- laa lac lae laf lag lah lal lar las lca lcc lce lcf lcg lch lcl lcr lcs lea lec lee lef leg leh lel ler les lfa lfc lfe lff lfg lfh lfl lfr lfs lga lgc lge lgf lgg lgh lgl lgr lgs lha lhc lhf lhh lhr lhs lla llc lle llf llg lll llr lls lra lrc lrf lrg lrh lrr lrs lsa lsc lse lsf lsg lsh lsl lsr lss ra- raa rac rae raf rag rah ral rar ras rca rcc rce rcf rcg rch rcl rcr rcs re- rea rec ree ref reg reh rel rer res rfa rfc rfe rff rfg rfh rfl rfr rfs rga rgc rge rgf rgg rgh rgr rgs rh- rha rhc rhe rhf rhg rhh rhl rhr rhs rla rlc rle rlf rlg rlh rll rlr rls rra rrc rrf rrg rrh rrl rrr rrs rsa rsc rse rsf rsg rsh rsl rsr rss saa sac sae saf sag sah sal sar sas sca scc sce scf scg sch scl scr scs se- sea sec see sef seg seh sel ser ses sfa sfc sfe sff sfg sfh sfl sfr sfs sga sgc sge sgf sgg sgh sgl sgr sgs sh- sha shc she shf shg shh shl shr shs sla slc sle slf slg slh sll slr sls sr- sra src sre srf srg srh srl srr srs ss- ssa ssc sse ssf ssg ssh ssl ssr sss