-er -ic a-a a-c a-i aaa aac aad aae aaf aai aan aao aar ac- aca acc acd ace acf aci acn aco acr ad- ada adc add ade adf adi adn ado adr aea aec aed aee aef aei aen aeo aer af- afa afc afd afe aff afi afn afo afr ai- aia aic aid aie aif aii ain aio air an- ana anc and ane anf ani ann ano anr aoa aoc aod aoe aof aoi aon aoo aor ar- ara arc ard are arf ari arn aro arr c-- caa cac cad cae caf cai can cao car cca ccc ccd cce ccf cci ccn cco ccr cda cdc cdd cde cdf cdi cdn cdo cdr ce- cea cec ced cee cef cei cen ceo cer cfa cfc cfd cfe cff cfi cfn cfo cfr ci- cia cic cid cie cif cii cin cio cir cn- cna cnc cnd cne cnf cni cnn cno cnr co- coa coc cod coe cof coi con coo cor cra crc crd cre crf cri crn cro crr daa dac dad dae daf dai dan dao dar dca dcc dcd dce dcf dci dcn dco dcr dda ddc ddd dde ddf ddi ddn ddo ddr de- dea dec ded dee def dei den deo der dfa dfc dfd dfe dff dfi dfn dfo dfr di- dia dic did die dif dii din dio dir dna dnc dnd dne dnf dni dnn dno dnr doa doc dod doe dof doi don doo dor dra drc drd dre dri drn dro drr eaa eac ead eae eaf eai ean eao ear ec- eca ecc ecd ece ecf eci ecn eco ecr ed- eda edc edd ede edf edi edn edo edr eea eec eed eee eef een eeo eer ef- efa efc efd efe eff efi efo efr eia eic eid eie eif eii ein eio eir en- ena enc end ene enf eni enn eno enr eo- eoa eoc eod eoe eof eoi eon eoo eor era erc erd ere erf eri ern ero err faa fac fad fae faf fai fan fao far fca fcc fcd fce fcf fci fcn fco fcr fda fdc fdd fde fdf fdi fdn fdo fdr fea fec fed fee fef fei fen feo fer ffa ffc ffd ffe fff ffi ffn ffo ffr fia fic fid fie fif fii fin fir fna fnc fnd fne fnf fni fnn fnr foa foc foe fof foi fon foo for fra frc frd fre frf fri frn fro frr i-d i-f ia- iaa iac iad iae iaf iai ian iao iar ica icc icd ice icf ici icn ico icr ida idc idd ide idf idi idn ido idr ie- iea iec ied iee ief iei ien ier ifa ifc ifd ife iff ifi ifn ifo ifr iia iic iid iie iif iii iin iio iir in- ina inc ind ine inf ini inn ino inr io- ioa ioc iod ioe iof ioi ion ioo ior ir- ira irc ird ire irf iri irn iro irr n-i naa nac nad nae naf nai nan nao nar nca ncc ncd nce ncf nci ncn nco ncr nda ndc ndd nde ndf ndi ndn ndo ndr ne- nea nec ned nee nef nei nen neo ner nfa nfc nfd nfe nff nfi nfn nfo nfr nia nic nid nie nif nii nin nio nir nna nnc nne nnf nni nnn nno no- noa noc nod noe nof noi non noo nor nra nrc nrd nre nrf nri nrn nro nrr o-i oaa oac oad oae oaf oai oan oao oar oc- oca occ ocd ocf oci ocn oco ocr oda odc odd ode odf odi odn odo odr oea oec oed oee oef oei oen oeo oer of- ofa ofc ofd ofe off ofi ofn ofo ofr oia oic oid oie oif oii oin oio oir on- ona onc ond one onf oni onn ono onr oo- ooa ooc ood oof ooi oon ooo oor or- ora orc ord ore orf ori orn oro orr ra- raa rac rad rae raf rai ran rao rar rca rcc rcd rce rcf rci rcn rco rcr rda rdc rdd rde rdf rdi rdn rdo rdr re- rea rec red ree ref rei ren reo rer rfa rfc rfd rfe rff rfi rfn rfo rfr ria ric rid rie rif rii rin rio rir rna rnc rnd rni rnn rno rnr roa roc rod roe rof roi ron roo ror rra rrc rrd rrf rri rrn rrr