-er -ic a-a a-c a-i aaa aac aad aae aag aai aan aao aar ac- aca acc acd ace acg aci acn aco acr ad- ada adc add ade adg adi adn ado adr aea aec aed aee aeg aei aen aeo aer ag- aga agc agd age agg agi agn ago agr ai- aia aic aid aie aig aii ain aio air an- ana anc and ane ang ani ann ano anr aoa aoc aod aoe aog aoi aon aoo aor ar- ara arc ard are arg ari arn aro arr c-- caa cac cad cae cag cai can cao car cca ccc ccd cce ccg cci ccn cco ccr cda cdc cdd cde cdg cdi cdn cdo cdr ce- cea cec ced cee ceg cei cen ceo cer cga cgc cgd cge cgg cgi cgn cgo cgr ci- cia cic cid cie cig cii cin cio cir cn- cna cnc cnd cne cng cni cnn cno cnr co- coa coc cod coe cog coi con coo cor cra crc crd cre crg cri crn cro crr daa dac dad dae dag dai dan dao dar dca dcc dcd dce dcg dci dcn dco dcr dda ddc ddd dde ddg ddi ddn ddo ddr de- dea dec ded dee deg dei den deo der dga dgc dgd dge dgg dgi dgn dgr di- dia dic did die dig dii din dio dir dna dnc dnd dne dng dni dnn dno dnr doa doc dod doe dog doi don doo dor dra drc drd dre drg dri drn dro drr eaa eac ead eae eag eai ean eao ear ec- eca ecc ecd ece ecg eci ecn eco ecr ed- eda edc edd ede edg edi edn edo edr eea eec eed eee eeg een eeo eer ega egc egd ege egg egi egn ego egr eia eic eid eie eig eii ein eio eir en- ena enc end ene eng eni enn eno enr eo- eoa eoc eod eoe eog eoi eon eoo eor era erc erd ere erg eri ern ero err g-d gaa gac gad gae gag gai gan gao gar gca gcc gcd gce gcg gci gcn gco gcr gda gdc gdd gde gdi gdn gdo gdr ge- gea gec ged gee geg gei gen geo ger gga ggc ggd ggg ggi ggn ggo ggr gia gic gid gie gig gii gin gio gir gna gnc gnd gne gni gnn gno gnr goa goc god goe gog goi gon goo gor gra grc grd gre grg gri grn gro grr i-d ia- iaa iac iad iae iag iai ian iao iar ica icc icd ice icg ici icn ico icr ida idc idd ide idg idi idn ido idr ie- iea iec ied iee ieg iei ien ier iga igc igd ige igg igi ign igo igr iia iic iid iie iii iin iio iir in- ina inc ind ine ing ini inn ino inr io- ioa ioc iod ioe iog ioi ion ioo ior ir- ira irc ird ire irg iri irn iro irr n-i naa nac nad nae nag nai nan nao nar nca ncc ncd nce ncg nci ncn nco ncr nda ndc ndd nde ndg ndi ndn ndo ndr ne- nea nec ned nee neg nei nen neo ner nga ngc ngd nge ngg ngi ngn ngo nia nic nid nie nig nii nin nio nir nna nnc nne nng nni nnn nno no- noa noc nod noe nog noi non noo nor nra nrc nrd nre nrg nri nrn nro nrr o-i oaa oac oad oae oag oai oan oao oar oc- oca occ ocd ocg oci ocn oco ocr oda odc odd ode odg odi odn odo odr oea oec oed oee oeg oei oen oeo oer oga ogc ogd oge ogg ogi ogn ogo oia oic oid oie oii oin oio oir on- ona onc ond one ong oni onn ono onr oo- ooa ooc ood oog ooi oon ooo oor or- ora orc ord ore org ori orn oro orr ra- raa rac rad rae rag rai ran rao rar rca rcc rcd rce rcg rci rcn rco rcr rda rdc rdd rde rdg rdi rdn rdo rdr re- rea rec red ree reg rei ren reo rer rga rgc rgd rge rgg rgi rgn rgo rgr ria ric rid rie rig rii rin rio rir rna rnc rnd rng rni rnn rno rnr roa roc rod roe rog roi ron roo ror rra rrc rrd rrg rri rrn rrr