-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aan aao aar aat ac- aca acc acd ace acg aci acn aco acr act ad- ada adc add ade adg adi adn ado adr adt aea aec aed aee aeg aei aen aeo aer aet ag- aga agc agd age agg agi agn ago agr agt ai- aia aic aid aie aig aii ain aio air ait an- ana anc and ane ang ani ann ano anr ant aoa aoc aod aoe aog aoi aon aoo aor aot ar- ara arc ard are arg ari arn aro arr art at- ata atc atd ate atg ati atn ato atr att c-- caa cac cad cae cag cai can cao car cat cca ccc ccd cce ccg cci ccn cco ccr cct cda cdc cdd cde cdg cdi cdn cdo cdr cdt ce- cea cec ced cee ceg cei cen ceo cer cet cga cgc cgd cge cgg cgi cgn cgo cgr cgt ci- cia cic cid cie cig cii cin cio cir cit cn- cna cnc cnd cne cng cni cnn cno cnr cnt co- coa coc cod coe cog coi con coo cor cot cra crc crd cre crg cri crn cro crr crt cta ctc ctd cte ctg cti ctn cto ctr ctt daa dac dad dae dag dai dan dao dar dat dca dcc dcd dce dcg dci dcn dco dcr dct dda ddc ddd dde ddg ddi ddn ddo ddr ddt de- dea dec ded dee deg dei den deo der det dga dgc dgd dge dgg dgi dgn dgr dgt di- dia dic did die dig dii din dio dir dit dna dnc dnd dne dng dni dnn dno dnr dnt doa doc dod doe dog doi don doo dor dot dra drc drd dre drg dri drn dro drr drt dta dtc dtd dte dtg dti dtn dto dtr dtt eaa eac ead eae eag eai ean eao ear eat ec- eca ecc ecd ece ecg eci ecn eco ecr ect ed- eda edc edd ede edg edi edn edo edr edt eea eec eed eee eeg een eeo eer eet ega egc egd ege egg egi egn ego egr egt eia eic eid eie eig eii ein eio eir eit en- ena enc end ene eng eni enn eno enr ent eo- eoa eoc eod eoe eog eoi eon eoo eor eot era erc erd ere erg eri ern ero err ert eta etc etd ete etg eti etn eto etr ett g-d gaa gac gad gae gag gai gan gao gar gat gca gcc gcd gce gcg gci gcn gco gcr gct gda gdc gdd gde gdi gdn gdo gdr gdt ge- gea gec ged gee geg gei gen geo ger get gga ggc ggd ggg ggi ggn ggo ggr ggt gia gic gid gie gig gii gin gio gir git gna gnc gnd gne gni gnn gno gnr gnt goa goc god goe gog goi gon goo gor got gra grc grd gre grg gri grn gro grr grt gta gtc gtd gte gtg gti gtn gto gtr gtt i-d ia- iaa iac iad iae iag iai ian iao iar iat ica icc icd ice icg ici icn ico icr ict ida idc idd ide idg idi idn ido idr idt ie- iea iec ied iee ieg iei ien ier iet iga igc igd ige igg igi ign igo igr igt iia iic iid iie iii iin iio iir iit in- ina inc ind ine ing ini inn ino inr int io- ioa ioc iod ioe iog ioi ion ioo ior iot ir- ira irc ird ire irg iri irn iro irr irt ita itc itd ite itg iti itn ito itt n-i naa nac nad nae nag nai nan nao nar nat nca ncc ncd nce ncg nci ncn nco ncr nct nda ndc ndd nde ndg ndi ndn ndo ndr ndt ne- nea nec ned nee neg nei nen neo ner net nga ngc ngd nge ngg ngi ngn ngo ngt nia nic nid nie nig nii nin nio nir nit nna nnc nne nng nni nnn nno nnt no- noa noc nod noe nog noi non noo nor not nra nrc nrd nre nrg nri nrn nro nrr nrt nta ntc ntd nte ntg nti ntn nto ntr ntt o-i oaa oac oad oae oag oai oan oao oar oat oc- oca occ ocd ocg oci ocn oco ocr oct oda odc odd ode odg odi odn odo odr odt oea oec oed oee oeg oei oen oeo oer oet oga ogc ogd oge ogg ogi ogn ogo ogt oia oic oid oie oii oin oio oir oit on- ona onc ond one ong oni onn ono onr ont oo- ooa ooc ood oog ooi oon ooo oor oot or- ora orc ord ore org ori orn oro orr ort ot- ota otc otd ote otg oti otn oto otr ott ra- raa rac rad rae rag rai ran rao rar rat rca rcc rcd rce rcg rci rcn rco rcr rct rda rdc rdd rde rdg rdi rdn rdo rdr rdt re- rea rec red ree reg rei ren reo rer ret rga rgc rgd rge rgg rgi rgn rgo rgr rgt ria ric rid rie rig rii rin rio rir rit rna rnc rnd rng rni rnn rno rnr rnt roa roc rod roe rog roi ron roo ror rot rra rrc rrd rrg rri rrn rrr rrt rta rtc rtd rte rtg rti rtn rto rtr rtt taa tac tad tae tag tai tan tao tar tat tca tcc tcd tce tcg tci tcn tco tcr tct tda tdc tdd tde tdg tdi tdn tdo tdr tdt te- tea tec ted tee teg tei ten teo ter tet tga tgc tge tgg tgi tgn tgo tgr tgt tia tic tid tie tig tii tin tio tir tit tna tnc tnd tne tng tni tnn tno tnr tnt to- toa toc tod toe