-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aam aar aat ac- aca acc acd ace acg aci acm acr act ad- ada adc add ade adg adi adm adr adt aea aec aed aee aeg aei aem aer aet ag- aga agc agd age agg agi agm agr agt ai- aia aic aid aie aig aii aim air ait ama amc amd ame amg ami amm amr amt ar- ara arc ard are arg ari arm arr art at- ata atc atd ate atg ati atm atr att c-- caa cac cad cae cag cai cam car cat cca ccc ccd cce ccg cci ccm ccr cct cda cdc cdd cde cdg cdi cdm cdr cdt ce- cea cec ced cee ceg cei cem cer cet cga cgc cgd cge cgg cgi cgm cgr cgt ci- cia cic cid cie cig cii cim cir cit cma cmc cmd cme cmg cmi cmm cmr cmt cra crc crd cre crg cri crm crr crt cta ctc ctd cte ctg cti ctm ctr ctt daa dac dad dae dag dai dam dar dat dca dcc dcd dce dcg dci dcm dcr dct dda ddc ddd dde ddg ddi ddm ddr ddt de- dea dec ded dee deg dei dem der det dga dgc dgd dge dgg dgi dgm dgr dgt di- dia dic did die dig dii dim dir dit dma dmc dmd dme dmg dmi dmm dmr dmt dra drc drd dre drg dri drm drr drt dta dtc dtd dte dtg dti dtm dtr dtt eaa eac ead eae eag eai eam ear eat ec- eca ecc ecd ece ecg eci ecm ecr ect ed- eda edc edd ede edg edi edm edr edt eea eec eed eee eeg eem eer eet ega egc egd ege egg egi egm egr egt eia eic eid eie eig eii eim eir eit em- ema emc emd eme emg emi emm emr emt era erc erd ere erg eri erm err ert eta etc etd ete etg eti etm etr ett g-d gaa gac gad gae gag gai gam gar gat gca gcc gcd gce gcg gci gcm gcr gct gda gdc gdd gde gdi gdm gdr gdt ge- gea gec ged gee geg gei gem ger get gga ggc ggd ggg ggi ggm ggr ggt gia gic gid gie gig gii gim gir git gma gmc gmd gme gmg gmi gmm gmr gmt gra grc grd gre grg gri grm grr grt gta gtc gtd gte gtg gti gtm gtr gtt i-d ia- iaa iac iad iae iag iai iam iar iat ica icc icd ice icg ici icm icr ict ida idc idd ide idg idi idm idr idt ie- iea iec ied iee ieg iei iem ier iet iga igc igd ige igg igi igm igr igt iia iic iid iie iii iim iir iit im- ima imc imd ime img imi imm imt ir- ira irc ird ire irg iri irm irr irt ita itc itd ite itg iti itm itt m-r maa mac mad mae mag mai mam mar mat mc- mca mcc mcd mce mcg mci mcm mcr mct mda mdc mdd mde mdg mdi mdm mdr mdt mea mec med mee meg mei mem mer met mga mgc mgd mge mgi mgm mgr mgt mi- mia mic mid mie mig mii mim mir mit mma mmc mmd mme mmg mmi mmm mmr mmt mra mrc mrd mre mrg mri mrm mrr mrt mta mtc mtd mte mtg mti mtm mtr mtt ra- raa rac rad rae rag rai ram rar rat rca rcc rcd rce rcg rci rcm rcr rct rda rdc rdd rde rdg rdi rdm rdr rdt re- rea rec red ree reg rei rem rer ret rga rgc rgd rge rgg rgi rgr rgt ria ric rid rie rig rii rim rir rit rma rmc rmd rme rmg rmi rmm rmr rmt rra rrc rrd rrg rri rrm rrr rrt rta rtc rtd rte rtg rti rtm rtr rtt taa tac tad tae tag tai tam tar tat tca tcc tcd tce tcg tci tcm tcr tct tda tdc tdd tde tdg tdi tdm tdr tdt te- tea tec ted tee teg tei tem ter tet tga tgc tge tgg tgi tgm tgr tgt tia tic tid tie tig tii tim tir tit tma tmc tmd tme tmg tmi tmm tmr tmt tra trc trd tre trg tri trm trr trt tta ttc ttd tte ttg tti ttm ttr ttt