-er -ic a-a a-c a-i a-t aaa aac aad aae aai aao aar aas aat ac- aca acc acd ace aci aco acr acs act ad- ada adc add ade adi ado adr ads adt aea aec aed aee aei aeo aer aes aet ai- aia aic aid aie aii aio air ais ait aoa aoc aod aoe aoi aoo aor aos aot ar- ara arc ard are ari aro arr ars art as- asa asc asd ase asi aso asr ass ast at- ata atc atd ate ati ato atr ats att c-- caa cac cad cae cai cao car cas cat cca ccc ccd cce cci cco ccr ccs cct cda cdc cdd cde cdi cdo cdr cds cdt ce- cea cec ced cee cei ceo cer ces cet ci- cia cic cid cie cii cio cir cis cit co- coa coc cod coe coi coo cor cos cot cra crc crd cre cri cro crr crs crt csa csc csd cse csi cso csr css cst cta ctc ctd cte cti cto ctr cts ctt daa dac dad dae dai dao dar das dat dca dcc dcd dce dci dco dcr dcs dct dda ddc ddd dde ddi ddo ddr dds ddt de- dea dec ded dee dei deo der des det di- dia dic did die dii dio dir dis dit doa doc dod doe doi doo dor dos dot dra drc drd dre dri dro drr drs drt dsa dsc dsd dse dsi dso dsr dss dst dta dtc dtd dte dti dto dtr dts dtt eaa eac ead eae eai eao ear eas eat ec- eca ecc ecd ece eci eco ecr ecs ect ed- eda edc edd ede edi edo edr eds edt eea eec eed eee eeo eer ees eet eia eic eid eie eii eio eir eis eit eo- eoa eoc eod eoe eoi eoo eor eos eot era erc erd ere eri ero err ers ert es- esa esc esd ese esi eso esr ess est eta etc etd ete eti eto etr ets ett i-d ia- iaa iac iad iae iai iao iar ias iat ica icc icd ice ici ico icr ics ict ida idc idd ide idi ido idr ids idt ie- iea iec ied iee iei ier ies iet iia iic iid iie iii iio iir iis iit io- ioa ioc iod ioe ioi ioo ior ios iot ir- ira irc ird ire iri iro irr irs irt is- isa isc isd ise isi iso isr iss ist ita itc itd ite iti ito its itt o-i oaa oac oad oae oai oao oar oas oat oc- oca occ ocd oci oco ocr ocs oct oda odc odd ode odi odo odr ods odt oea oec oed oee oei oeo oer oes oet oia oic oid oie oii oio oir ois oit oo- ooa ooc ood ooi ooo oor oos oot or- ora orc ord ore ori oro orr ors ort os- osa osc osd ose osi oso osr oss ost ot- ota otc otd ote oti oto otr ots ott ra- raa rac rad rae rai rao rar ras rat rca rcc rcd rce rci rco rcr rcs rct rda rdc rdd rde rdi rdo rdr rds rdt re- rea rec red ree rei reo rer res ret ria ric rid rie rii rio rir ris rit roa roc rod roe roi roo ror ros rot rra rrc rrd rri rrr rrs rrt rsa rsc rsd rse rsi rso rsr rss rst rta rtc rtd rte rti rto rtr rts rtt saa sac sad sae sai sao sar sas sat sca scc scd sce sci sco scr scs sct sda sdc sdd sde sdi sdo sdr sds sdt se- sea sec sed see sei seo ser ses set sia sic sid sie sii sio sir sis sit soa soc sod soe soi soo sor sos sot sr- sra src srd sre sri sro srr srs srt ss- ssa ssc ssd sse ssi sso ssr sss sst sta stc std ste sti sto str sts stt taa tac tad tae tai tao tar tas tat tca tcc tcd tce tci tco tcr tcs tct tda tdc tdd tde tdi tdo tdr tds tdt te- tea tec ted tee tei teo ter tes tet tia tic tid tie tii tio tir tis tit to- toa toc tod toe toi too tor tos tot tra trc trd tre tri tro trr trs trt tsa tsc tsd tse tsi tso tsr tss tst tta ttc ttd tte tti tto ttr tts ttt