-er -ic a-a a-c a-i a-t aaa aac aad aae aai aar aas aat ac- aca acc acd ace aci acr acs act ad- ada adc add ade adi adr ads adt aea aec aed aee aei aer aes aet ai- aia aic aid aie aii air ais ait ar- ara arc ard are ari arr ars art as- asa asc asd ase asi asr ass ast at- ata atc atd ate ati atr ats att c-- caa cac cad cae cai car cas cat cca ccc ccd cce cci ccr ccs cct cda cdc cdd cde cdi cdr cds cdt ce- cea cec ced cee cei cer ces cet ci- cia cic cid cie cii cir cis cit cra crc crd cre cri crr crs crt csa csc csd cse csi csr css cst cta ctc ctd cte cti ctr cts ctt daa dac dad dae dai dar das dat dca dcc dcd dce dci dcr dcs dct dda ddc ddd dde ddi ddr dds ddt de- dea dec ded dee dei der des det di- dia dic did die dii dir dis dit dra drc drd dre dri drr drs drt dsa dsc dsd dse dsi dsr dss dst dta dtc dtd dte dti dtr dts dtt eaa eac ead eae eai ear eas eat ec- eca ecc ecd ece eci ecr ecs ect ed- eda edc edd ede edi edr eds edt eea eec eed eee eer ees eet eia eic eid eie eii eir eis eit era erc erd ere eri err ers ert es- esa esc esd ese esi esr ess est eta etc etd ete eti etr ets ett i-d ia- iaa iac iad iae iai iar ias iat ica icc icd ice ici icr ics ict ida idc idd ide idi idr ids idt ie- iea iec ied iee iei ier ies iet iia iic iid iie iii iir iis iit ir- ira irc ird ire iri irr irs irt is- isa isc isd ise isi isr iss ist ita itc itd ite iti its itt ra- raa rac rad rae rai rar ras rat rca rcc rcd rce rci rcr rcs rct rda rdc rdd rde rdi rdr rds rdt re- rea rec red ree rei rer res ret ria ric rid rie rii rir ris rit rra rrc rrd rri rrr rrs rrt rsa rsc rsd rse rsi rsr rss rst rta rtc rtd rte rti rtr rts rtt saa sac sad sae sai sar sas sat sca scc scd sce sci scr scs sct sda sdc sdd sde sdi sdr sds sdt se- sea sec sed see sei ser ses set sia sic sid sie sii sir sis sit sr- sra src srd sre sri srr srs srt ss- ssa ssc ssd sse ssi ssr sss sst sta stc std ste sti str sts stt taa tac tad tae tai tar tas tat tca tcc tcd tce tci tcr tcs tct tda tdc tdd tde tdi tdr tds tdt te- tea tec ted tee tei ter tes tet tia tic tid tie tii tir tis tit tra trc trd tre tri trr trs trt tsa tsc tsd tse tsi tsr tss tst tta ttc ttd tte tti ttr tts ttt