-er -ic a-a a-c a-i a-t aaa aac aae aag aai aam aan aar aat ac- aca acc ace acg aci acm acn acr act aea aec aee aeg aei aem aen aer aet ag- aga agc age agg agi agm agn agr agt ai- aia aic aie aig aii aim ain air ait ama amc ame amg ami amm amn amr amt an- ana anc ane ang ani anm ann anr ant ar- ara arc are arg ari arm arn arr art at- ata atc ate atg ati atm atn atr att c-- caa cac cae cag cai cam can car cat cca ccc cce ccg cci ccm ccn ccr cct ce- cea cec cee ceg cei cem cen cer cet cga cgc cge cgg cgi cgm cgn cgr cgt ci- cia cic cie cig cii cim cin cir cit cma cmc cme cmg cmi cmm cmn cmr cmt cn- cna cnc cne cng cni cnm cnn cnr cnt cra crc cre crg cri crm crn crr crt cta ctc cte ctg cti ctm ctn ctr ctt eaa eac eae eag eai eam ean ear eat ec- eca ecc ece ecg eci ecm ecn ecr ect eea eec eee eeg eem een eer eet ega egc ege egg egi egm egn egr egt eia eic eie eig eii eim ein eir eit em- ema emc eme emg emi emm emn emr emt en- ena enc ene eng eni enm enn enr ent era erc ere erg eri erm ern err ert eta etc ete etg eti etm etn etr ett gaa gac gae gag gai gam gan gar gat gca gcc gce gcg gci gcm gcn gcr gct ge- gea gec gee geg gei gem gen ger get gga ggc ggg ggi ggm ggn ggr ggt gia gic gie gig gii gim gin gir git gma gmc gme gmg gmi gmm gmn gmr gmt gna gnc gne gni gnm gnn gnr gnt gra grc gre grg gri grm grn grr grt gta gtc gte gtg gti gtm gtn gtr gtt ia- iaa iac iae iag iai iam ian iar iat ica icc ice icg ici icm icn icr ict ie- iea iec iee ieg iei iem ien ier iet iga igc ige igg igi igm ign igr igt iia iic iie iii iim iin iir iit im- ima imc ime img imi imm imn imt in- ina inc ine ing ini inm inn inr int ir- ira irc ire irg iri irm irn irr irt ita itc ite itg iti itm itn itt m-r maa mac mae mag mai mam man mar mat mc- mca mcc mce mcg mci mcm mcn mcr mct mea mec mee meg mei mem men mer met mga mgc mge mgi mgm mgn mgr mgt mi- mia mic mie mig mii mim min mir mit mma mmc mme mmg mmi mmm mmn mmr mmt mna mnc mne mng mni mnm mnn mnr mnt mra mrc mre mrg mri mrm mrn mrr mrt mta mtc mte mtg mti mtm mtn mtr mtt n-i naa nac nae nag nai nam nan nar nat nca ncc nce ncg nci ncm ncn ncr nct ne- nea nec nee neg nei nem nen ner net nga ngc nge ngg ngi ngm ngn ngt nia nic nie nig nii nim nin nir nit nma nmc nme nmg nmi nmm nmn nmr nmt nna nnc nne nng nni nnm nnn nnt nra nrc nre nrg nri nrm nrn nrr nrt nta ntc nte ntg nti ntm ntn ntr ntt ra- raa rac rae rag rai ram ran rar rat rca rcc rce rcg rci rcm rcn rcr rct re- rea rec ree reg rei rem ren rer ret rga rgc rge rgg rgi rgn rgr rgt ria ric rie rig rii rim rin rir rit rma rmc rme rmg rmi rmm rmn rmr rmt rna rnc rng rni rnm rnn rnr rnt rra rrc rrg rri rrm rrn rrr rrt rta rtc rte rtg rti rtm rtn rtr rtt taa tac tae tag tai tam tan tar tat tca tcc tce tcg tci tcm tcn tcr tct te- tea tec tee teg tei tem ten ter tet tga tgc tge tgg tgi tgm tgn tgr tgt tia tic tie tig tii tim tin tir tit tma tmc tme tmg tmi tmm tmn tmr tmt tna tnc tne tng tni tnm tnn tnr tnt tra trc tre trg tri trm trn trr trt tta ttc tte ttg tti ttm ttn ttr ttt