-er a-a a-i aaa aad aae aai aak aan aap aar ad- ada add ade adi adk adn adp adr aea aed aee aei aek aen aep aer ai- aia aid aie aii aik ain aip air aka akd ake aki akk akn akp akr an- ana and ane ani ank ann anp anr ap- apa apd ape api apk apn app apr ar- ara ard are ari ark arn arp arr daa dad dae dai dak dan dap dar dda ddd dde ddi ddk ddn ddp ddr de- dea ded dee dei dek den dep der di- dia did die dii dik din dip dir dka dke dki dkk dkp dkr dna dnd dne dni dnk dnn dnp dnr dpa dpd dpe dpi dpk dpn dpp dpr dra drd dre dri drk drn drp drr eaa ead eae eai eak ean eap ear ed- eda edd ede edi edk edn edp edr eea eed eee eek een eep eer eia eid eie eii eik ein eip eir eka ekd eke eki ekp ekr en- ena end ene eni enk enn enp enr ep- epa epd epe epi epn epp epr era erd ere eri erk ern erp err i-d ia- iaa iad iae iai ian iap iar ida idd ide idi idk idn idp idr ie- iea ied iee iei iek ien iep ier iia iid iie iii iin iip iir ika ike iki ikk ikr in- ina ind ine ini ink inn inp inr ipa ipd ipe ipi ipn ipp ipr ir- ira ird ire iri irk irn irp irr ka- kaa kad kae kai kak kan kap kar kda kde kdk kdp kdr ke- kea ked kee kei kek ken kep ker kia kid kie kii kik kin kip kir kke kki kkk kkn kkp kkr kn- kna knd kne kni knk knn knp knr kpa kpd kpe kpi kpk kpn kpp kpr kra krd kri krk krn krp krr n-i naa nad nae nai nak nan nap nar nda ndd nde ndi ndk ndn ndp ndr ne- nea ned nee nei nek nen nep ner nia nid nie nii nik nin nip nir nka nke nki nkk nkn nkp nkr nna nne nni nnk nnn nnp npa npd npe npi npn npp npr nra nrd nre nri nrk nrn nrp nrr p-p paa pad pae pai pak pan pap par pda pdd pde pdi pdk pdn pdp pdr pea ped pee pei pek pen pep per pia pid pie pii pik pin pip pir pka pkd pke pki pkn pkp pkr pn- pna pnd pne pni pnk pnn pnp pnr ppa ppd ppe ppi ppk ppn ppp ppr pra prd pre pri prk prn prp prr ra- raa rad rae rai rak ran rap rar rda rdd rde rdi rdn rdp rdr re- rea red ree rei rek ren rep rer ria rid rie rii rik rin rip rir rke rkk rkp rna rnd rni rnn rnp rnr rpa rpd rpe rpi rpk rpn rpp rpr rra rrd rri rrk rrn rrp rrr