-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aan aap aar ab- aba abb abc abd abe abi abn abp abr ac- aca acb acc acd ace aci acn acp acr ad- ada adb adc add ade adi adn adp adr aea aeb aec aed aee aei aen aep aer ai- aia aib aic aid aie aii ain aip air an- ana anb anc and ane ani ann anp anr ap- apa apb apc apd ape api apn app apr ar- ara arb arc ard are ari arn arp arr b-p baa bab bac bad bae bai ban bap bar bba bbb bbc bbd bbe bbi bbn bbp bbr bca bcb bcc bcd bce bci bcn bcp bcr bda bdb bdc bdd bde bdi bdp bdr be- bea beb bec bed bee bei ben bep ber bi- bia bib bic bid bie bii bin bip bir bna bnb bnc bnd bne bni bnn bnp bnr bpa bpb bpc bpd bpe bpi bpn bpp bpr bra brb brd bre bri brn brp brr c-- caa cab cac cad cae cai can cap car cba cbb cbc cbd cbe cbi cbn cbp cbr cca ccb ccc ccd cce cci ccn ccp ccr cda cdb cdc cdd cde cdi cdn cdp cdr ce- cea ceb cec ced cee cei cen cep cer ci- cia cib cic cid cie cii cin cip cir cn- cna cnb cnc cnd cne cni cnn cnp cnr cpa cpb cpc cpd cpe cpi cpn cpp cpr cra crb crc crd cre cri crn crp crr daa dab dac dad dae dai dan dap dar dba dbb dbc dbd dbe dbi dbn dbp dbr dca dcb dcc dcd dce dci dcn dcp dcr dda ddb ddc ddd dde ddi ddn ddp ddr de- dea deb dec ded dee dei den dep der di- dia dib dic did die dii din dip dir dna dnb dnc dnd dne dni dnn dnp dnr dpa dpb dpc dpd dpe dpi dpn dpp dpr dra drb drc drd dre dri drn drp drr eaa eab eac ead eae eai ean eap ear eba ebb ebc ebd ebe ebi ebn ebp ebr ec- eca ecb ecc ecd ece eci ecn ecr ed- eda edb edc edd ede edi edn edp edr eea eeb eec eed eee een eep eer eia eib eic eid eie eii ein eip eir en- ena enb enc end ene eni enn enp enr ep- epa epb epc epd epe epi epn epp epr era erb erc erd ere eri ern erp err i-d ia- iaa iab iac iad iae iai ian iap iar iba ibb ibc ibd ibe ibi ibn ibp ibr ica icb icc icd ice ici icn icp icr ida idb idc idd ide idi idn idp idr ie- iea iec ied iee iei ien iep ier iia iib iic iid iie iii iin iip iir in- ina inb inc ind ine ini inn inp inr ipa ipb ipc ipd ipe ipi ipn ipp ipr ir- ira irb irc ird ire iri irn irp irr n-i naa nab nac nad nae nai nan nap nar nba nbb nbc nbd nbe nbi nbn nbp nbr nca ncb ncc ncd nce nci ncn ncp ncr nda ndb ndc ndd nde ndi ndn ndp ndr ne- nea neb nec ned nee nei nen nep ner nia nib nic nid nie nii nin nip nir nna nnb nnc nne nni nnn nnp npa npb npc npd npe npi npn npp npr nra nrb nrc nrd nre nri nrn nrp nrr p-p paa pab pac pad pae pai pan pap par pba pbb pbc pbd pbe pbi pbn pbp pbr pca pcb pcc pcd pce pci pcn pcp pcr pda pdb pdc pdd pde pdi pdn pdp pdr pea peb pec ped pee pei pen pep per pia pib pic pid pie pii pin pip pir pn- pna pnb pnc pnd pne pni pnn pnp pnr ppa ppb ppc ppd ppe ppi ppn ppp ppr pra prb prc prd pre pri prn prp prr ra- raa rab rac rad rae rai ran rap rar rba rbb rbc rbd rbe rbi rbn rbp rbr rca rcb rcc rcd rce rci rcn rcp rcr rda rdb rdc rdd rde rdi rdn rdp rdr re- rea reb rec red ree rei ren rep rer ria rib ric rid rie rii rin rip rir rna rnb rnc rnd rni rnn rnp rnr rpa rpb rpc rpd rpe rpi rpn rpp rpr rra rrb rrc rrd rri rrn rrp rrr