-er -ic a-a a-c a-i a-t aaa aac aae aag aai aam aan aar aas aat ac- aca acc ace acg aci acm acn acr acs act aea aec aee aeg aei aem aen aer aes aet ag- aga agc age agg agi agm agn agr ags agt ai- aia aic aie aig aii aim ain air ais ait ama amc ame amg ami amm amn amr ams amt an- ana anc ane ang ani anm ann anr ans ant ar- ara arc are arg ari arm arn arr ars art as- asa asc ase asg asi asm asn asr ass ast at- ata atc ate atg ati atm atn atr ats att c-- caa cac cae cag cai cam can car cas cat cca ccc cce ccg cci ccm ccn ccr ccs cct ce- cea cec cee ceg cei cem cen cer ces cet cga cgc cge cgg cgi cgm cgn cgr cgs cgt ci- cia cic cie cig cii cim cin cir cis cit cma cmc cme cmg cmi cmm cmn cmr cms cmt cn- cna cnc cne cng cni cnm cnn cnr cns cnt cra crc cre crg cri crm crn crr crs crt csa csc cse csg csi csm csn csr css cst cta ctc cte ctg cti ctm ctn ctr cts ctt eaa eac eae eag eai eam ean ear eas eat ec- eca ecc ece ecg eci ecm ecn ecr ecs ect eea eec eee eeg eem een eer ees eet ega egc ege egg egi egm egn egr egs egt eia eic eie eig eii eim ein eir eis eit em- ema emc eme emg emi emm emn emr ems emt en- ena enc ene eng eni enm enn enr ens ent era erc ere erg eri erm ern err ers ert es- esa esc ese esg esi esm esn esr ess est eta etc ete etg eti etm etn etr ets ett gaa gac gae gag gai gam gan gar gas gat gca gcc gce gcg gci gcm gcn gcr gcs gct ge- gea gec gee geg gei gem gen ger ges get gga ggc ggg ggi ggm ggn ggr ggs ggt gia gic gie gig gii gim gin gir gis git gma gmc gme gmg gmi gmm gmn gmr gms gmt gna gnc gne gni gnm gnn gnr gns gnt gra grc gre grg gri grm grn grr grs grt gsa gsc gse gsg gsi gsm gsn gsr gss gst gta gtc gte gtg gti gtm gtn gtr gts gtt ia- iaa iac iae iag iai iam ian iar ias iat ica icc ice icg ici icm icn icr ics ict ie- iea iec iee ieg iei iem ien ier ies iet iga igc ige igg igi igm ign igr igs igt iia iic iie iii iim iin iir iis iit im- ima imc ime img imi imm imn ims imt in- ina inc ine ing ini inm inn inr ins int ir- ira irc ire irg iri irm irn irr irs irt is- isa isc ise isg isi ism isn isr iss ist ita itc ite itg iti itm itn its itt m-r maa mac mae mag mai mam man mar mas mat mc- mca mcc mce mcg mci mcm mcn mcr mcs mct mea mec mee meg mei mem men mer mes met mga mgc mge mgi mgm mgn mgr mgs mgt mi- mia mic mie mig mii mim min mir mis mit mma mmc mme mmg mmi mmm mmn mmr mms mmt mna mnc mne mng mni mnm mnn mnr mns mnt mra mrc mre mrg mri mrm mrn mrr mrs mrt msa msc mse msg msi msm msn msr mss mst mta mtc mte mtg mti mtm mtn mtr mts mtt n-i naa nac nae nag nai nam nan nar nas nat nca ncc nce ncg nci ncm ncn ncr ncs nct ne- nea nec nee neg nei nem nen ner nes net nga ngc nge ngg ngi ngm ngn ngs ngt nia nic nie nig nii nim nin nir nis nit nma nmc nme nmg nmi nmm nmn nmr nms nmt nna nnc nne nng nni nnm nnn nns nnt nra nrc nre nrg nri nrm nrn nrr nrs nrt nsa nsc nse nsg nsi nsm nsn nsr nss nst nta ntc nte ntg nti ntm ntn ntr nts ntt ra- raa rac rae rag rai ram ran rar ras rat rca rcc rce rcg rci rcm rcn rcr rcs rct re- rea rec ree reg rei rem ren rer res ret rga rgc rge rgg rgi rgn rgr rgs rgt ria ric rie rig rii rim rin rir ris rit rma rmc rme rmg rmi rmm rmn rmr rms rmt rna rnc rng rni rnm rnn rnr rns rnt rra rrc rrg rri rrm rrn rrr rrs rrt rsa rsc rse rsg rsi rsm rsn rsr rss rst rta rtc rte rtg rti rtm rtn rtr rts rtt saa sac sae sag sai sam san sar sas sat sca scc sce scg sci scm scn scr scs sct se- sea sec see seg sei sem sen ser ses set sga sgc sge sgg sgi sgm sgn sgr sgs sgt sia sic sie sig sii sim sin sir sis sit sma smc sme smg smi smm smn smr sms smt sna snc sne sng sni snm snn snr sns snt sr- sra src sre srg sri srm srn srr srs srt ss- ssa ssc sse ssg ssi ssm ssn ssr sss sst sta stc ste stg sti stm stn str sts stt taa tac tae tag tai tam tan tar tas tat tca tcc tce tcg tci tcm tcn tcr tcs tct te- tea tec tee teg tei tem ten ter tes tet tga tgc tge tgg tgi tgm tgn tgr tgs tgt tia tic tie tig tii tim tin tir tis tit tma tmc tme tmg tmi tmm tmn tmr tms tmt tna tnc tne tng tni tnm tnn tnr tns tnt tra trc tre