-er -ic a-a a-c a-i aaa aac aad aae aai aao aap aar ac- aca acc acd ace aci aco acp acr ad- ada adc add ade adi ado adp adr aea aec aed aee aei aeo aep aer ai- aia aic aid aie aii aio aip air aoa aoc aod aoe aoi aoo aop aor ap- apa apc apd ape api apo app apr ar- ara arc ard are ari aro arp arr c-- caa cac cad cae cai cao cap car cca ccc ccd cce cci cco ccp ccr cda cdc cdd cde cdi cdo cdp cdr ce- cea cec ced cee cei ceo cep cer ci- cia cic cid cie cii cio cip cir co- coa coc cod coe coi coo cop cor cpa cpc cpd cpe cpi cpo cpp cpr cra crc crd cre cri cro crp crr daa dac dad dae dai dao dap dar dca dcc dcd dce dci dco dcp dcr dda ddc ddd dde ddi ddo ddp ddr de- dea dec ded dee dei deo dep der di- dia dic did die dii dio dip dir doa doc dod doe doi doo dop dor dpa dpc dpd dpe dpi dpo dpp dpr dra drc drd dre dri dro drp drr eaa eac ead eae eai eao eap ear ec- eca ecc ecd ece eci eco ecr ed- eda edc edd ede edi edo edp edr eea eec eed eee eeo eep eer eia eic eid eie eii eio eip eir eo- eoa eoc eod eoe eoi eoo eop eor ep- epa epc epd epe epi epo epp epr era erc erd ere eri ero erp err i-d ia- iaa iac iad iae iai iao iap iar ica icc icd ice ici ico icp icr ida idc idd ide idi ido idp idr ie- iea iec ied iee iei iep ier iia iic iid iie iii iio iip iir io- ioa ioc iod ioe ioi ioo iop ior ipa ipc ipd ipe ipi ipo ipp ipr ir- ira irc ird ire iri iro irp irr o-i oaa oac oad oae oai oao oap oar oc- oca occ ocd oci oco ocp ocr oda odc odd ode odi odo odp odr oea oec oed oee oei oeo oep oer oia oic oid oie oii oio oip oir oo- ooa ooc ood ooi ooo oop oor op- opa opc opd ope opi opo opp opr or- ora orc ord ore ori oro orp orr p-p paa pac pad pae pai pao pap par pca pcc pcd pce pci pco pcp pcr pda pdc pdd pde pdi pdo pdp pdr pea pec ped pee pei peo pep per pia pic pid pie pii pio pip pir poa poc pod poe poi poo pop por ppa ppc ppd ppe ppi ppo ppp ppr pra prc prd pre pri pro prp prr ra- raa rac rad rae rai rao rap rar rca rcc rcd rce rci rco rcp rcr rda rdc rdd rde rdi rdo rdp rdr re- rea rec red ree rei reo rep rer ria ric rid rie rii rio rip rir roa roc rod roe roi roo rop ror rpa rpc rpd rpe rpi rpo rpp rpr rra rrc rrd rri rrp rrr