-er -ic a-a a-c a-i a-t a-z aaa aac aae aag aai aan aar aat aaz ac- aca acc ace acg aci acn acr act acz aea aec aee aeg aei aen aer aet aez ag- aga agc age agg agi agn agr agt agz ai- aia aic aie aig aii ain air ait aiz an- ana anc ane ang ani ann anr ant anz ar- ara arc are arg ari arn arr art arz at- ata atc ate atg ati atn atr att atz az- aza aze azg azi azn azt azz c-- caa cac cae cag cai can car cat caz cca ccc cce ccg cci ccn ccr cct ccz ce- cea cec cee ceg cei cen cer cet cez cga cgc cge cgg cgi cgn cgr cgt ci- cia cic cie cig cii cin cir cit cn- cna cnc cne cng cni cnn cnr cnt cra crc cre crg cri crn crr crt crz cta ctc cte ctg cti ctn ctr ctt ctz cz- czc cze czt eaa eac eae eag eai ean ear eat eaz ec- eca ecc ece ecg eci ecn ecr ect eea eec eee eeg een eer eet ega egc ege egg egi egn egr egt eia eic eie eig eii ein eir eit en- ena enc ene eng eni enn enr ent enz era erc ere erg eri ern err ert erz eta etc ete etg eti etn etr ett etz eze ezr ezz gaa gac gae gag gai gan gar gat gaz gca gcc gce gcg gci gcn gcr gct ge- gea gec gee geg gei gen ger get gez gga ggc ggg ggi ggn ggr ggt ggz gia gic gie gig gii gin gir git giz gna gnc gne gni gnn gnr gnt gra grc gre grg gri grn grr grt gta gtc gte gtg gti gtn gtr gtt gza gzr ia- iaa iac iae iag iai ian iar iat iaz ica icc ice icg ici icn icr ict icz ie- iea iec iee ieg iei ien ier iet iga igc ige igg igi ign igr igt iia iic iie iii iin iir iit in- ina inc ine ing ini inn inr int ir- ira irc ire irg iri irn irr irt ita itc ite itg iti itn itt itz iza ize izi izz n-i naa nac nae nag nai nan nar nat naz nca ncc nce ncg nci ncn ncr nct ne- nea nec nee neg nei nen ner net nez nga ngc nge ngg ngi ngn ngt nia nic nie nig nii nin nir nit niz nna nnc nne nng nni nnn nnt nnz nra nrc nre nrg nri nrn nrr nrt nrz nta ntc nte ntg nti ntn ntr ntt ntz nze nzg nzi nzz ra- raa rac rae rag rai ran rar rat raz rca rcc rce rcg rci rcn rcr rct re- rea rec ree reg rei ren rer ret rez rga rgc rge rgg rgi rgn rgr rgt ria ric rie rig rii rin rir rit riz rna rnc rng rni rnn rnr rnt rnz rra rrc rrg rri rrn rrr rrt rta rtc rte rtg rti rtn rtr rtt rtz rza rze taa tac tae tag tai tan tar tat taz tca tcc tce tcg tci tcn tcr tct te- tea tec tee teg tei ten ter tet tez tga tgc tge tgg tgi tgn tgr tgt tgz tia tic tie tig tii tin tir tit tiz tna tnc tne tng tni tnn tnr tnt tnz tra trc tre trg tri trn trr trt trz tta ttc tte ttg tti ttn ttr ttt tza tze z-g zaa zac zag zai zan zar zat zaz zce zea zec zee zen zer zet zez zgg zgi zia zie zig zin zir zit ziz znc zne znn zta zte ztr zzr zzt zzz