-er a-a a-i aaa aad aae aai aan aap aar ad- ada add ade adi adn adp adr aea aed aee aei aen aep aer ai- aia aid aie aii ain aip air an- ana and ane ani ann anp anr ap- apa apd ape api apn app apr ar- ara ard are ari arn arp arr daa dad dae dai dan dap dar dda ddd dde ddi ddn ddp ddr de- dea ded dee dei den dep der di- dia did die dii din dip dir dna dnd dne dni dnn dnp dnr dpa dpd dpe dpi dpn dpp dpr dra drd dre dri drn drp drr eaa ead eae eai ean eap ear ed- eda edd ede edi edn edp edr eea eed eee een eep eer eia eid eie eii ein eip eir en- ena end ene eni enn enp enr ep- epa epd epe epi epn epp epr era erd ere eri ern erp err i-d ia- iaa iad iae iai ian iap iar ida idd ide idi idn idp idr ie- iea ied iee iei ien iep ier iia iid iie iii iin iip iir in- ina ind ine ini inn inp inr ipa ipd ipe ipi ipn ipp ipr ir- ira ird ire iri irn irp irr n-i naa nad nae nai nan nap nar nda ndd nde ndi ndn ndp ndr ne- nea ned nee nei nen nep ner nia nid nie nii nin nip nir nna nne nni nnn nnp npa npd npe npi npn npp npr nra nrd nre nri nrn nrp nrr p-p paa pad pae pai pan pap par pda pdd pde pdi pdn pdp pdr pea ped pee pei pen pep per pia pid pie pii pin pip pir pn- pna pnd pne pni pnn pnp pnr ppa ppd ppe ppi ppn ppp ppr pra prd pre pri prn prp prr ra- raa rad rae rai ran rap rar rda rdd rde rdi rdn rdp rdr re- rea red ree rei ren rep rer ria rid rie rii rin rip rir rna rnd rni rnn rnp rnr rpa rpd rpe rpi rpn rpp rpr rra rrd rri rrn rrp rrr