-er -ic a-a a-c a-i aaa aac aad aae aah aai aao aap aar ac- aca acc acd ace ach aci aco acp acr ad- ada adc add ade adh adi ado adp adr aea aec aed aee aeh aei aeo aep aer aha ahc ahd ahe ahh ahi aho ahp ahr ai- aia aic aid aie aih aii aio aip air aoa aoc aod aoe aoh aoi aoo aop aor ap- apa apc apd ape aph api apo app apr ar- ara arc ard are arh ari aro arp arr c-- caa cac cad cae cah cai cao cap car cca ccc ccd cce cch cci cco ccp ccr cda cdc cdd cde cdh cdi cdo cdp cdr ce- cea cec ced cee ceh cei ceo cep cer ch- cha chc chd che chh chi cho chp chr ci- cia cic cid cie cih cii cio cip cir co- coa coc cod coe coh coi coo cop cor cpa cpc cpd cpe cph cpi cpo cpp cpr cra crc crd cre crh cri cro crp crr daa dac dad dae dah dai dao dap dar dca dcc dcd dce dci dco dcp dcr dda ddc ddd dde ddh ddi ddo ddp ddr de- dea dec ded dee deh dei deo dep der dh- dha dhc dhd dhe dhh dhi dho dhp dhr di- dia dic did die dih dii dio dip dir doa doc dod doe doh doi doo dop dor dpa dpc dpd dpe dph dpi dpo dpp dpr dra drc drd dre dri dro drp drr eaa eac ead eae eah eai eao eap ear ec- eca ecc ecd ece ech eci eco ecr ed- eda edc edd ede edh edi edo edp edr eea eec eed eee eeo eep eer eha ehc ehd ehe ehh ehi eho ehp ehr eia eic eid eie eii eio eip eir eo- eoa eoc eod eoe eoh eoi eoo eop eor ep- epa epc epd epe eph epi epo epp epr era erc erd ere erh eri ero erp err h-i haa hac had hae hah hai hao hap har hca hcc hcd hce hch hci hco hcp hcr hda hdc hdd hde hdh hdi hdo hdp hdr he- hea hec hed hee heh hei heo hep her hha hhc hhd hhe hhh hhi hho hhp hhr hia hic hid hie hih hii hio hip hir hoa hoc hod hoe hoh hoi hoo hop hor hpa hpc hpd hpe hph hpi hpo hpp hpr hr- hra hrc hrd hre hrh hri hro hrp hrr i-d ia- iaa iac iad iae iah iai iao iap iar ica icc icd ice ich ici ico icp icr ida idc idd ide idh idi ido idp idr ie- iea iec ied iee iei iep ier iha ihc ihd ihe ihh ihi iho ihp ihr iia iic iid iie iih iii iio iip iir io- ioa ioc iod ioe ioh 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 oah oai oao oap oar oc- oca occ ocd och oci oco ocp ocr oda odc odd ode odh odi odo odp odr oea oec oed oee oeh oei oeo oep oer oha ohc ohd ohe ohh ohi oho ohp ohr oia oic oid oie oii oio oip oir oo- ooa ooc ood ooh ooi ooo oop oor op- opa opc opd ope oph opi opo opp opr or- ora orc ord ore orh ori oro orp orr p-p paa pac pad pae pah pai pao pap par pca pcc pcd pce pch pci pco pcp pcr pda pdc pdd pde pdh pdi pdo pdp pdr pea pec ped pee peh pei peo pep per pha phc phd phe phi pho php phr pia pic pid pie pih pii pio pip pir poa poc pod poe poh poi poo pop por ppa ppc ppd ppe pph ppi ppo ppp ppr pra prc prd pre prh pri pro prp prr ra- raa rac rad rae rah rai rao rap rar rca rcc rcd rce rch rci rco rcp rcr rda rdc rdd rde rdh rdi rdo rdp rdr re- rea rec red ree reh rei reo rep rer rh- rha rhc rhd rhe rhh rhi rho rhp rhr ria ric rid rie rih rii rio rip rir roa roc rod roe roh roi roo rop ror rpa rpc rpd rpe rph rpi rpo rpp rpr rra rrc rrd rrh rri rrp rrr