-al -er -ic -ol a-a a-c a-i a-t aaa aac aae aag aai aal aao aar aas aat ac- aca acc ace acg aci acl aco acr acs act aea aec aee aeg aei ael aeo aer aes aet ag- aga agc age agg agi agl ago agr ags agt ai- aia aic aie aig aii ail aio air ais ait al- ala alc ale alg ali all alo alr als alt aoa aoc aoe aog aoi aol aoo aor aos aot ar- ara arc are arg ari arl aro arr ars art as- asa asc ase asg asi asl aso asr ass ast at- ata atc ate atg ati atl ato atr ats att c-- caa cac cae cag cai cal cao car cas cat cca ccc cce ccg cci ccl cco ccr ccs cct ce- cea cec cee ceg cei cel ceo cer ces cet cga cgc cge cgg cgi cgl cgo cgr cgs cgt ci- cia cic cie cig cii cil cio cir cis cit cl- cla clc cle clg cli cll clo clr cls clt co- coa coc coe cog coi col coo cor cos cot cra crc cre crg cri crl cro crr crs crt csa csc cse csg csi csl cso csr css cst cta ctc cte ctg cti ctl cto ctr cts ctt eaa eac eae eag eai eal eao ear eas eat ec- eca ecc ece ecg eci ecl eco ecr ecs ect eea eec eee eeg eel eeo eer ees eet ega egc ege egg egi egl ego egr egs egt eia eic eie eig eii eil eio eir eis eit ela elc ele elg eli ell elo elr els elt eo- eoa eoc eoe eog eoi eol eoo eor eos eot era erc ere erg eri erl ero err ers ert es- esa esc ese esg esi esl eso esr ess est eta etc ete etg eti etl eto etr ets ett gaa gac gae gag gai gal gao gar gas gat gca gcc gce gcg gci gcl gco gcr gcs gct ge- gea gec gee geg gei gel geo ger ges get gga ggc ggg ggi ggo ggr ggs ggt gia gic gie gig gii gil gio gir gis git gla glc gle glg gli gll glo glr gls glt goa goc goe gog goi gol goo gor gos got gra grc gre grg gri grl gro grr grs grt gsa gsc gse gsg gsi gsl gso gsr gss gst gta gtc gte gtg gti gtl gto gtr gts gtt ia- iaa iac iae iag iai ial iao iar ias iat ica icc ice icg ici icl ico icr ics ict ie- iea iec iee ieg iei iel ier ies iet iga igc ige igg igi igl igo igr igs igt iia iic iie iii iil iio iir iis iit il- ila ilc ile ilg ili ill ilo ilr ils ilt io- ioa ioc ioe iog ioi iol ioo ior ios iot ir- ira irc ire irg iri irl iro irr irs irt is- isa isc ise isg isi isl iso isr iss ist ita itc ite itg iti itl ito its itt la- laa lac lae lag lai lal lao lar las lat lca lcc lce lcg lci lcl lco lcr lcs lct lea lec lee leg lei lel leo ler les let lga lgc lge lgg lgi lgl lgo lgr lgs lgt lia lic lie lig lii lil lio lir lis lit lla llc lle llg lli lll llo llr lls llt loa loc loe log loi lol loo lor los lot lra lrc lrg lri lro lrr lrs lrt lsa lsc lse lsg lsi lsl lso lsr lss lst lta ltc lte ltg lti ltl lto ltr lts ltt o-i oaa oac oae oag oai oal oao oar oas oat oc- oca occ ocg oci ocl oco ocr ocs oct oea oec oee oeg oei oel oeo oer oes oet oga ogc oge ogg ogi ogl ogo ogs ogt oia oic oie oii oil oio oir ois oit ola olc ole olg oli oll olo ols olt oo- ooa ooc oog ooi ool ooo oor oos oot or- ora orc ore org ori orl oro orr ors ort os- osa osc ose osg osi osl oso osr oss ost ot- ota otc ote otg oti otl oto otr ots ott ra- raa rac rae rag rai ral rao rar ras rat rca rcc rce rcg rci rcl rco rcr rcs rct re- rea rec ree reg rei rel reo rer res ret rga rgc rge rgg rgi rgo rgr rgs rgt ria ric rie rig rii ril rio rir ris rit rla rlc rle rlg rli rll rlo rlr rls rlt roa roc roe rog roi rol roo ror ros rot rra rrc rrg rri rrl rrr rrs rrt rsa rsc rse rsg rsi rsl rso rsr rss rst rta rtc rte rtg rti rtl rto rtr rts rtt saa sac sae sag sai sal sao sar sas sat sca scc sce scg sci scl sco scr scs sct se- sea sec see seg sei sel seo ser ses set sga sgc sge sgg sgi sgl sgo sgr sgs sgt sia sic sie sig sii sil sio sir sis sit sla slc sle slg sli sll slo slr sls slt soa soc soe sog soi sol soo sor sos sot sr- sra src sre srg sri srl sro srr srs srt ss- ssa ssc sse ssg ssi ssl sso ssr sss sst sta stc ste stg sti stl sto str sts stt taa tac tae tag tai tal tao tar tas tat tca tcc tce tcg tci tcl tco tcr tcs tct te- tea tec tee teg tei tel teo ter tes tet tga tgc tge tgg tgi tgl tgo tgr tgs tgt tia tic tie tig tii til tio tir tis tit tla tlc tle tlg tli tll tlo tlr tls tlt to- toa toc toe tog toi tol too tor tos tot tra trc