-er -ic a-a a-c a-i a-t aaa aac aae aag aai aam aao aar aas aat ac- aca acc ace acg aci acm aco acr acs act aea aec aee aeg aei aem aeo aer aes aet ag- aga agc age agg agi agm ago agr ags agt ai- aia aic aie aig aii aim aio air ais ait ama amc ame amg ami amm amo amr ams amt aoa aoc aoe aog aoi aom aoo aor aos aot ar- ara arc are arg ari arm aro arr ars art as- asa asc ase asg asi asm aso asr ass ast at- ata atc ate atg ati atm ato atr ats att c-- caa cac cae cag cai cam cao car cas cat cca ccc cce ccg cci ccm cco ccr ccs cct ce- cea cec cee ceg cei cem ceo cer ces cet cga cgc cge cgg cgi cgm cgo cgr cgs cgt ci- cia cic cie cig cii cim cio cir cis cit cma cmc cme cmg cmi cmm cmo cmr cms cmt co- coa coc coe cog coi com coo cor cos cot cra crc cre crg cri crm cro crr crs crt csa csc cse csg csi csm cso csr css cst cta ctc cte ctg cti ctm cto ctr cts ctt eaa eac eae eag eai eam eao ear eas eat ec- eca ecc ece ecg eci ecm eco ecr ecs ect eea eec eee eeg eem eeo eer ees eet ega egc ege egg egi egm ego egr egs egt eia eic eie eig eii eim eio eir eis eit em- ema emc eme emg emi emm emo emr ems emt eo- eoa eoc eoe eog eoi eom eoo eor eos eot era erc ere erg eri erm ero err ers ert es- esa esc ese esg esi esm eso esr ess est eta etc ete etg eti etm eto etr ets ett gaa gac gae gag gai gam gao gar gas gat gca gcc gce gcg gci gcm gco gcr gcs gct ge- gea gec gee geg gei gem geo ger ges get gga ggc ggg ggi ggm ggo ggr ggs ggt gia gic gie gig gii gim gio gir gis git gma gmc gme gmg gmi gmm gmo gmr gms gmt goa goc goe gog goi gom goo gor gos got gra grc gre grg gri grm gro grr grs grt gsa gsc gse gsg gsi gsm gso gsr gss gst gta gtc gte gtg gti gtm gto gtr gts gtt ia- iaa iac iae iag iai iam iao iar ias iat ica icc ice icg ici icm ico icr ics ict ie- iea iec iee ieg iei iem ier ies iet iga igc ige igg igi igm igo igr igs igt iia iic iie iii iim iio iir iis iit im- ima imc ime img imi imm imo ims imt io- ioa ioc ioe iog ioi iom ioo ior ios iot ir- ira irc ire irg iri irm iro irr irs irt is- isa isc ise isg isi ism iso isr iss ist ita itc ite itg iti itm ito its itt m-o m-r maa mac mae mag mai mam mao mar mas mat mc- mca mcc mce mcg mci mcm mco mcr mcs mct mea mec mee meg mei mem meo mer mes met mga mgc mge mgi mgm mgo mgr mgs mgt mi- mia mic mie mig mii mim mio mir mis mit mma mmc mme mmg mmi mmm mmo mmr mms mmt moa moc moe mog moi mom moo mor mos mot mra mrc mre mrg mri mrm mro mrr mrs mrt msa msc mse msg msi msm mso msr mss mst mta mtc mte mtg mti mtm mto mtr mts mtt o-i oaa oac oae oag oai oam oao oar oas oat oc- oca occ ocg oci ocm oco ocr ocs oct oea oec oee oeg oei oem oeo oer oes oet oga ogc oge ogg ogi ogo ogs ogt oia oic oie oii oim oio oir ois oit om- oma omc ome omg omi omm omo omr oms omt oo- ooa ooc oog ooi oom ooo oor oos oot or- ora orc ore org ori orm oro orr ors ort os- osa osc ose osg osi osm oso osr oss ost ot- ota otc ote otg oti otm oto otr ots ott ra- raa rac rae rag rai ram rao rar ras rat rca rcc rce rcg rci rcm rco rcr rcs rct re- rea rec ree reg rei rem reo rer res ret rga rgc rge rgg rgi rgo rgr rgs rgt ria ric rie rig rii rim rio rir ris rit rma rmc rme rmg rmi rmm rmo rmr rms rmt roa roc roe rog roi rom roo ror ros rot rra rrc rrg rri rrm rrr rrs rrt rsa rsc rse rsg rsi rsm rso rsr rss rst rta rtc rte rtg rti rtm rto rtr rts rtt saa sac sae sag sai sam sao sar sas sat sca scc sce scg sci scm sco scr scs sct se- sea sec see seg sei sem seo ser ses set sga sgc sge sgg sgi sgm sgo sgr sgs sgt sia sic sie sig sii sim sio sir sis sit sma smc sme smg smi smm smo smr sms smt soa soc soe sog soi som soo sor sos sot sr- sra src sre srg sri srm sro srr srs srt ss- ssa ssc sse ssg ssi ssm sso ssr sss sst sta stc ste stg sti stm sto str sts stt taa tac tae tag tai tam tao tar tas tat tca tcc tce tcg tci tcm tco tcr tcs tct te- tea tec tee teg tei tem teo ter tes tet tga tgc tge tgg tgi tgm tgo tgr tgs tgt tia tic tie tig tii tim tio tir tis tit tma tmc tme tmg tmi tmm tmo tmr tms tmt to- toa toc toe tog toi tom too tor tos tot