-er -ic a-a a-c a-i a-t aaa aac aad aae aai aao aap aar aat ac- aca acc acd ace aci aco acp acr act ad- ada adc add ade adi ado adp adr adt aea aec aed aee aei aeo aep aer aet ai- aia aic aid aie aii aio aip air ait aoa aoc aod aoe aoi aoo aop aor aot ap- apa apc apd ape api apo app apr apt ar- ara arc ard are ari aro arp arr art at- ata atc atd ate ati ato atp atr att c-- caa cac cad cae cai cao cap car cat cca ccc ccd cce cci cco ccp ccr cct cda cdc cdd cde cdi cdo cdp cdr cdt ce- cea cec ced cee cei ceo cep cer cet ci- cia cic cid cie cii cio cip cir cit co- coa coc cod coe coi coo cop cor cot cpa cpc cpd cpe cpi cpo cpp cpr cpt cra crc crd cre cri cro crp crr crt cta ctc ctd cte cti cto ctp ctr ctt daa dac dad dae dai dao dap dar dat dca dcc dcd dce dci dco dcp dcr dct dda ddc ddd dde ddi ddo ddp ddr ddt de- dea dec ded dee dei deo dep der det di- dia dic did die dii dio dip dir dit doa doc dod doe doi doo dop dor dot dpa dpc dpd dpe dpi dpo dpp dpr dpt dra drc drd dre dri dro drp drr drt dta dtc dtd dte dti dto dtp dtr dtt eaa eac ead eae eai eao eap ear eat ec- eca ecc ecd ece eci eco ecr ect ed- eda edc edd ede edi edo edp edr edt eea eec eed eee eeo eep eer eet eia eic eid eie eii eio eip eir eit eo- eoa eoc eod eoe eoi eoo eop eor eot ep- epa epc epd epe epi epo epp epr ept era erc erd ere eri ero erp err ert eta etc etd ete eti eto etp etr ett i-d ia- iaa iac iad iae iai iao iap iar iat ica icc icd ice ici ico icp icr ict ida idc idd ide idi ido idp idr idt ie- iea iec ied iee iei iep ier iet iia iic iid iie iii iio iip iir iit io- ioa ioc iod ioe ioi ioo iop ior iot ipa ipc ipd ipe ipi ipo ipp ipr ipt ir- ira irc ird ire iri iro irp irr irt ita itc itd ite iti ito itp itt o-i oaa oac oad oae oai oao oap oar oat oc- oca occ ocd oci oco ocp ocr oct oda odc odd ode odi odo odp odr odt oea oec oed oee oei oeo oep oer oet oia oic oid oie oii oio oip oir oit oo- ooa ooc ood ooi ooo oop oor oot op- opa opc opd ope opi opo opp opr opt or- ora orc ord ore ori oro orp orr ort ot- ota otc otd ote oti oto otp otr ott p-p paa pac pad pae pai pao pap par pat pca pcc pcd pce pci pco pcp pcr pct pda pdc pdd pde pdi pdo pdp pdr pdt pea pec ped pee pei peo pep per pet pia pic pid pie pii pio pip pir pit poa poc pod poe poi poo pop por pot ppa ppc ppd ppe ppi ppo ppp ppr ppt pra prc prd pre pri pro prp prr prt pt- pta ptc ptd pte pti pto ptp ptr ptt ra- raa rac rad rae rai rao rap rar rat rca rcc rcd rce rci rco rcp rcr rct rda rdc rdd rde rdi rdo rdp rdr rdt re- rea rec red ree rei reo rep rer ret ria ric rid rie rii rio rip rir rit roa roc rod roe roi roo rop ror rot rpa rpc rpd rpe rpi rpo rpp rpr rpt rra rrc rrd rri rrp rrr rrt rta rtc rtd rte rti rto rtp rtr rtt taa tac tad tae tai tao tap tar tat tca tcc tcd tce tci tco tcp tcr tct tda tdc tdd tde tdi tdo tdp tdr tdt te- tea tec ted tee tei teo tep ter tet tia tic tid tie tii tio tip tir tit to- toa toc tod toe toi too top tor tot tpa tpc tpd tpe tpi tpo tpp tpr tpt tra trc trd tre tri tro trp trr trt tta ttc ttd tte tti tto ttp ttr ttt