-ic a-a a-c a-i aaa aac aad aae aag aai aan aao ac- aca acc acd ace acg aci acn aco ad- ada adc add ade adg adi adn ado aea aec aed aee aeg aei aen aeo ag- aga agc agd age agg agi agn ago ai- aia aic aid aie aig aii ain aio an- ana anc and ane ang ani ann ano aoa aoc aod aoe aog aoi aon aoo c-- caa cac cad cae cag cai can cao cca ccc ccd cce ccg cci ccn cco cda cdc cdd cde cdg cdi cdn cdo ce- cea cec ced cee ceg cei cen ceo cga cgc cgd cge cgg cgi cgn cgo ci- cia cic cid cie cig cii cin cio cn- cna cnc cnd cne cng cni cnn cno co- coa coc cod coe cog coi con coo daa dac dad dae dag dai dan dao dca dcc dcd dce dcg dci dcn dco dda ddc ddd dde ddg ddi ddn ddo de- dea dec ded dee deg dei den deo dga dgc dgd dge dgg dgi dgn di- dia dic did die dig dii din dio dna dnc dnd dne dng dni dnn dno doa doc dod doe dog doi don doo eaa eac ead eae eag eai ean eao ec- eca ecc ecd ece ecg eci ecn eco ed- eda edc edd ede edg edi edn edo eea eec eed eee eeg een eeo ega egc egd ege egg egi egn ego eia eic eid eie eig eii ein eio en- ena enc end ene eng eni enn eno eo- eoa eoc eod eoe eog eoi eon eoo g-d gaa gac gad gae gag gai gan gao gca gcc gcd gce gcg gci gcn gco gda gdc gdd gde gdi gdn gdo ge- gea gec ged gee geg gei gen geo gga ggc ggd ggg ggi ggn ggo gia gic gid gie gig gii gin gio gna gnc gnd gne gni gnn gno goa goc god goe gog goi gon goo i-d ia- iaa iac iad iae iag iai ian iao ica icc icd ice icg ici icn ico ida idc idd ide idg idi idn ido ie- iea iec ied iee ieg iei ien iga igc igd ige igg igi ign igo iia iic iid iie iii iin iio in- ina inc ind ine ing ini inn ino io- ioa ioc iod ioe iog ioi ion ioo n-i naa nac nad nae nag nai nan nao nca ncc ncd nce ncg nci ncn nco nda ndc ndd nde ndg ndi ndn ndo ne- nea nec ned nee neg nei nen neo nga ngc ngd nge ngg ngi ngn ngo nia nic nid nie nig nii nin nio nna nnc nne nng nni nnn nno no- noa noc nod noe nog noi non noo o-i oaa oac oad oae oag oai oan oao oc- oca occ ocd ocg oci ocn oco oda odc odd ode odg odi odn odo oea oec oed oee oeg oei oen oeo oga ogc ogd oge ogg ogi ogn ogo oia oic oid oie oii oin oio on- ona onc ond one ong oni onn ono oo- ooa ooc ood oog ooi oon ooo