-er -ic a-a a-c a-i a-t aaa aac aad aae aai aao aar aat ac- aca acc acd ace aci aco acr act ad- ada adc add ade adi ado adr adt aea aec aed aee aei aeo aer aet ai- aia aic aid aie aii aio air ait aoa aoc aod aoe aoi aoo aor aot ar- ara arc ard are ari aro arr art at- ata atc atd ate ati ato atr att c-- caa cac cad cae cai cao car cat cca ccc ccd cce cci cco ccr cct cda cdc cdd cde cdi cdo cdr cdt ce- cea cec ced cee cei ceo cer cet ci- cia cic cid cie cii cio cir cit co- coa coc cod coe coi coo cor cot cra crc crd cre cri cro crr crt cta ctc ctd cte cti cto ctr ctt daa dac dad dae dai dao dar dat dca dcc dcd dce dci dco dcr dct dda ddc ddd dde ddi ddo ddr ddt de- dea dec ded dee dei deo der det di- dia dic did die dii dio dir dit doa doc dod doe doi doo dor dot dra drc drd dre dri dro drr drt dta dtc dtd dte dti dto dtr dtt eaa eac ead eae eai eao ear eat ec- eca ecc ecd ece eci eco ecr ect ed- eda edc edd ede edi edo edr edt eea eec eed eee eeo eer eet eia eic eid eie eii eio eir eit eo- eoa eoc eod eoe eoi eoo eor eot era erc erd ere eri ero err ert eta etc etd ete eti eto etr ett i-d ia- iaa iac iad iae iai iao iar iat ica icc icd ice ici ico icr ict ida idc idd ide idi ido idr idt ie- iea iec ied iee iei ier iet iia iic iid iie iii iio iir iit io- ioa ioc iod ioe ioi ioo ior iot ir- ira irc ird ire iri iro irr irt ita itc itd ite iti ito itt o-i oaa oac oad oae oai oao oar oat oc- oca occ ocd oci oco ocr oct oda odc odd ode odi odo odr odt oea oec oed oee oei oeo oer oet oia oic oid oie oii oio oir oit oo- ooa ooc ood ooi ooo oor oot or- ora orc ord ore ori oro orr ort ot- ota otc otd ote oti oto otr ott ra- raa rac rad rae rai rao rar rat rca rcc rcd rce rci rco rcr rct rda rdc rdd rde rdi rdo rdr rdt re- rea rec red ree rei reo rer ret ria ric rid rie rii rio rir rit roa roc rod roe roi roo ror rot rra rrc rrd rri rrr rrt rta rtc rtd rte rti rto rtr rtt taa tac tad tae tai tao tar tat tca tcc tcd tce tci tco tcr tct tda tdc tdd tde tdi tdo tdr tdt te- tea tec ted tee tei teo ter tet tia tic tid tie tii tio tir tit to- toa toc tod toe toi too tor tot tra trc trd tre tri tro trr trt tta ttc ttd tte tti tto ttr ttt