-er -ic a-a a-c a-i a-t aaa aac aae aag aai aan aar aat aav ac- aca acc ace acg aci acn acr act acv aea aec aee aeg aei aen aer aet aev ag- aga agc age agg agi agn agr agt agv ai- aia aic aie aig aii ain air ait aiv an- ana anc ane ang ani ann anr ant anv ar- ara arc are arg ari arn arr art arv at- ata atc ate atg ati atn atr att atv av- ava avc ave avg avi avn avr avt c-- caa cac cae cag cai can car cat cav cca ccc cce ccg cci ccn ccr cct ccv ce- cea cec cee ceg cei cen cer cet cev cga cgc cge cgg cgi cgn cgr cgt cgv ci- cia cic cie cig cii cin cir cit civ cn- cna cnc cne cng cni cnn cnr cnt cnv cra crc cre crg cri crn crr crt crv cta ctc cte ctg cti ctn ctr ctt ctv cva cvc cve cvg cvi cvn cvr cvt cvv eaa eac eae eag eai ean ear eat eav ec- eca ecc ece ecg eci ecn ecr ect ecv eea eec eee eeg een eer eet eev ega egc ege egg egi egn egr egt eia eic eie eig eii ein eir eit eiv en- ena enc ene eng eni enn enr ent env era erc ere erg eri ern err ert erv eta etc ete etg eti etn etr ett etv eva evc eve evg evi evn evr evt evv gaa gac gae gag gai gan gar gat gav gca gcc gce gcg gci gcn gcr gct ge- gea gec gee geg gei gen ger get gev gga ggc ggg ggi ggn ggr ggt ggv gia gic gie gig gii gin gir git giv gna gnc gne gni gnn gnr gnt gnv gra grc gre grg gri grn grr grt grv gta gtc gte gtg gti gtn gtr gtt gtv gva gvc gve gvg gvi gvn gvr gvt i-v ia- iaa iac iae iag iai ian iar iat iav ica icc ice icg ici icn icr ict icv ie- iea iec iee ieg iei ien ier iet iev iga igc ige igg igi ign igr igt iia iic iie iii iin iir iit in- ina inc ine ing ini inn inr int inv ir- ira irc ire irg iri irn irr irt irv ita itc ite itg iti itn itt itv iva ivc ive ivg ivi ivr ivt ivv n-i naa nac nae nag nai nan nar nat nav nca ncc nce ncg nci ncn ncr nct ncv ne- nea nec nee neg nei nen ner net nev nga ngc nge ngg ngi ngn ngt nia nic nie nig nii nin nir nit niv nna nnc nne nng nni nnn nnt nnv nra nrc nre nrg nri nrn nrr nrt nrv nta ntc nte ntg nti ntn ntr ntt ntv nva nvc nve nvg nvi nvn nvt nvv ra- raa rac rae rag rai ran rar rat rav rca rcc rce rcg rci rcn rcr rct rcv re- rea rec ree reg rei ren rer ret rev rga rgc rge rgg rgi rgn rgr rgt rgv ria ric rie rig rii rin rir rit riv rna rnc rng rni rnn rnr rnt rnv rra rrc rrg rri rrn rrr rrt rta rtc rte rtg rti rtn rtr rtt rtv rva rvc rve rvg rvi rvn rvr rvt rvv taa tac tae tag tai tan tar tat tav tca tcc tce tcg tci tcn tcr tct tcv te- tea tec tee teg tei ten ter tet tev tga tgc tge tgg tgi tgn tgr tgt tgv tia tic tie tig tii tin tir tit tiv tna tnc tne tng tni tnn tnr tnt tra trc tre trg tri trn trr trt trv tta ttc tte ttg tti ttn ttr ttt ttv tva tvc tve tvg tvi tvn tvr tvt v-a v-e vaa vac vae vag vai van var vat vav vca vcc vce vci vcn vcr vct vea vec vee veg vei ven ver vet vga vgc vgg vgn vgr vgt vi- via vic vie vig vii vin vir vit viv vn- vna vng vni vnr vnv vra vrc vre vrg vri vrn vrr vrt vta vtc vte vtg vti vtr vtt vtv vva vvc vvg vvi vvr vvt vvv