-er -ic a-a a-c a-i a-t aaa aac aad aae aai aao aap aar aas aat ac- aca acc acd ace aci aco acp acr acs act ad- ada adc add ade adi ado adp adr ads adt aea aec aed aee aei aeo aep aer aes aet ai- aia aic aid aie aii aio aip air ais ait aoa aoc aod aoe aoi aoo aop aor aos aot ap- apa apc apd ape api apo app apr aps apt ar- ara arc ard are ari aro arp arr ars art as- asa asc asd ase asi aso asp asr ass ast at- ata atc atd ate ati ato atp atr ats att c-- caa cac cad cae cai cao cap car cas cat cca ccc ccd cce cci cco ccp ccr ccs cct cda cdc cdd cde cdi cdo cdp cdr cds cdt ce- cea cec ced cee cei ceo cep cer ces cet ci- cia cic cid cie cii cio cip cir cis cit co- coa coc cod coe coi coo cop cor cos cot cpa cpc cpd cpe cpi cpo cpp cpr cps cpt cra crc crd cre cri cro crp crr crs crt csa csc csd cse csi cso csp csr css cst cta ctc ctd cte cti cto ctp ctr cts ctt daa dac dad dae dai dao dap dar das dat dca dcc dcd dce dci dco dcp dcr dcs dct dda ddc ddd dde ddi ddo ddp ddr dds ddt de- dea dec ded dee dei deo dep der des det di- dia dic did die dii dio dip dir dis dit doa doc dod doe doi doo dop dor dos dot dpa dpc dpd dpe dpi dpo dpp dpr dps dpt dra drc drd dre dri dro drp drr drs drt dsa dsc dsd dse dsi dso dsp dsr dss dst dta dtc dtd dte dti dto dtp dtr dts dtt eaa eac ead eae eai eao eap ear eas eat ec- eca ecc ecd ece eci eco ecr ecs ect ed- eda edc edd ede edi edo edp edr eds edt eea eec eed eee eeo eep eer ees eet eia eic eid eie eii eio eip eir eis eit eo- eoa eoc eod eoe eoi eoo eop eor eos eot ep- epa epc epd epe epi epo epp epr eps ept era erc erd ere eri ero erp err ers ert es- esa esc esd ese esi eso esp esr ess est eta etc etd ete eti eto etp etr ets ett i-d ia- iaa iac iad iae iai iao iap iar ias iat ica icc icd ice ici ico icp icr ics ict ida idc idd ide idi ido idp idr ids idt ie- iea iec ied iee iei iep ier ies iet iia iic iid iie iii iio iip iir iis iit io- ioa ioc iod ioe ioi ioo iop ior ios iot ipa ipc ipd ipe ipi ipo ipp ipr ips ipt ir- ira irc ird ire iri iro irp irr irs irt is- isa isc isd ise isi iso isp isr iss ist ita itc itd ite iti ito itp its itt o-i oaa oac oad oae oai oao oap oar oas oat oc- oca occ ocd oci oco ocp ocr ocs oct oda odc odd ode odi odo odp odr ods odt oea oec oed oee oei oeo oep oer oes oet oia oic oid oie oii oio oip oir ois oit oo- ooa ooc ood ooi ooo oop oor oos oot op- opa opc opd ope opi opo opp opr ops opt or- ora orc ord ore ori oro orp orr ors ort os- osa osc osd ose osi oso osp osr oss ost ot- ota otc otd ote oti oto otp otr ots ott p-p paa pac pad pae pai pao pap par pas pat pca pcc pcd pce pci pco pcp pcr pcs pct pda pdc pdd pde pdi pdo pdp pdr pds pdt pea pec ped pee pei peo pep per pes pet pia pic pid pie pii pio pip pir pis pit poa poc pod poe poi poo pop por pos pot ppa ppc ppd ppe ppi ppo ppp ppr pps ppt pra prc prd pre pri pro prp prr prs prt ps- psa psc psd pse psi pso psp psr pss pst pt- pta ptc ptd pte pti pto ptp ptr pts ptt ra- raa rac rad rae rai rao rap rar ras rat rca rcc rcd rce rci rco rcp rcr rcs rct rda rdc rdd rde rdi rdo rdp rdr rds rdt re- rea rec red ree rei reo rep rer res ret ria ric rid rie rii rio rip rir ris rit roa roc rod roe roi roo rop ror ros rot rpa rpc rpd rpe rpi rpo rpp rpr rps rpt rra rrc rrd rri rrp rrr rrs rrt rsa rsc rsd rse rsi rso rsp rsr rss rst rta rtc rtd rte rti rto rtp rtr rts rtt saa sac sad sae sai sao sap sar sas sat sca scc scd sce sci sco scp scr scs sct sda sdc sdd sde sdi sdo sdp sdr sds sdt se- sea sec sed see sei seo sep ser ses set sia sic sid sie sii sio sip sir sis sit soa soc sod soe soi soo sop sor sos sot spa spc spd spe spi spo spp spr sps spt sr- sra src srd sre sri sro srp srr srs srt ss- ssa ssc ssd sse ssi sso ssp ssr sss sst sta stc std ste sti sto stp str sts stt taa tac tad tae tai tao tap tar tas tat tca tcc tcd tce tci tco tcp tcr tcs tct tda tdc tdd tde tdi tdo tdp tdr tds tdt te- tea tec ted tee tei teo tep ter tes tet tia tic tid tie tii tio tip tir tis tit to- toa toc tod toe toi too top tor tos tot tpa