-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aam aar aas aat ac- aca acc acd ace acg aci acm acr acs act ad- ada adc add ade adg adi adm adr ads adt aea aec aed aee aeg aei aem aer aes aet ag- aga agc agd age agg agi agm agr ags agt ai- aia aic aid aie aig aii aim air ais ait ama amc amd ame amg ami amm amr ams amt ar- ara arc ard are arg ari arm arr ars art as- asa asc asd ase asg asi asm asr ass ast at- ata atc atd ate atg ati atm atr ats att c-- caa cac cad cae cag cai cam car cas cat cca ccc ccd cce ccg cci ccm ccr ccs cct cda cdc cdd cde cdg cdi cdm cdr cds cdt ce- cea cec ced cee ceg cei cem cer ces cet cga cgc cgd cge cgg cgi cgm cgr cgs cgt ci- cia cic cid cie cig cii cim cir cis cit cma cmc cmd cme cmg cmi cmm cmr cms cmt cra crc crd cre crg cri crm crr crs crt csa csc csd cse csg csi csm csr css cst cta ctc ctd cte ctg cti ctm ctr cts ctt daa dac dad dae dag dai dam dar das dat dca dcc dcd dce dcg dci dcm dcr dcs dct dda ddc ddd dde ddg ddi ddm ddr dds ddt de- dea dec ded dee deg dei dem der des det dga dgc dgd dge dgg dgi dgm dgr dgs dgt di- dia dic did die dig dii dim dir dis dit dma dmc dmd dme dmg dmi dmm dmr dms dmt dra drc drd dre drg dri drm drr drs drt dsa dsc dsd dse dsg dsi dsm dsr dss dst dta dtc dtd dte dtg dti dtm dtr dts dtt eaa eac ead eae eag eai eam ear eas eat ec- eca ecc ecd ece ecg eci ecm ecr ecs ect ed- eda edc edd ede edg edi edm edr eds edt eea eec eed eee eeg eem eer ees eet ega egc egd ege egg egi egm egr egs egt eia eic eid eie eig eii eim eir eis eit em- ema emc emd eme emg emi emm emr ems emt era erc erd ere erg eri erm err ers ert es- esa esc esd ese esg esi esm esr ess est eta etc etd ete etg eti etm etr ets ett g-d gaa gac gad gae gag gai gam gar gas gat gca gcc gcd gce gcg gci gcm gcr gcs gct gda gdc gdd gde gdi gdm gdr gds gdt ge- gea gec ged gee geg gei gem ger ges get gga ggc ggd ggg ggi ggm ggr ggs ggt gia gic gid gie gig gii gim gir gis git gma gmc gmd gme gmg gmi gmm gmr gms gmt gra grc grd gre grg gri grm grr grs grt gsa gsc gsd gse gsg gsi gsm gsr gss gst gta gtc gtd gte gtg gti gtm gtr gts gtt i-d ia- iaa iac iad iae iag iai iam iar ias iat ica icc icd ice icg ici icm icr ics ict ida idc idd ide idg idi idm idr ids idt ie- iea iec ied iee ieg iei iem ier ies iet iga igc igd ige igg igi igm igr igs igt iia iic iid iie iii iim iir iis iit im- ima imc imd ime img imi imm ims imt ir- ira irc ird ire irg iri irm irr irs irt is- isa isc isd ise isg isi ism isr iss ist ita itc itd ite itg iti itm its itt m-r maa mac mad mae mag mai mam mar mas mat mc- mca mcc mcd mce mcg mci mcm mcr mcs mct mda mdc mdd mde mdg mdi mdm mdr mds mdt mea mec med mee meg mei mem mer mes met mga mgc mgd mge mgi mgm mgr mgs mgt mi- mia mic mid mie mig mii mim mir mis mit mma mmc mmd mme mmg mmi mmm mmr mms mmt mra mrc mrd mre mrg mri mrm mrr mrs mrt msa msc msd mse msg msi msm msr mss mst mta mtc mtd mte mtg mti mtm mtr mts mtt ra- raa rac rad rae rag rai ram rar ras rat rca rcc rcd rce rcg rci rcm rcr rcs rct rda rdc rdd rde rdg rdi rdm rdr rds rdt re- rea rec red ree reg rei rem rer res ret rga rgc rgd rge rgg rgi rgr rgs rgt ria ric rid rie rig rii rim rir ris rit rma rmc rmd rme rmg rmi rmm rmr rms rmt rra rrc rrd rrg rri rrm rrr rrs rrt rsa rsc rsd rse rsg rsi rsm rsr rss rst rta rtc rtd rte rtg rti rtm rtr rts rtt saa sac sad sae sag sai sam sar sas sat sca scc scd sce scg sci scm scr scs sct sda sdc sdd sde sdg sdi sdm sdr sds sdt se- sea sec sed see seg sei sem ser ses set sga sgc sgd sge sgg sgi sgm sgr sgs sgt sia sic sid sie sig sii sim sir sis sit sma smc smd sme smg smi smm smr sms smt sr- sra src srd sre srg sri srm srr srs srt ss- ssa ssc ssd sse ssg ssi ssm ssr sss sst sta stc std ste stg sti stm str sts stt taa tac tad tae tag tai tam tar tas tat tca tcc tcd tce tcg tci tcm tcr tcs tct tda tdc tdd tde tdg tdi tdm tdr tds tdt te- tea tec ted tee teg tei tem ter tes tet tga tgc tge tgg tgi tgm tgr tgs tgt tia tic tid tie tig tii tim tir tis tit tma tmc tmd tme tmg tmi tmm tmr tms tmt tra