a-a a-i aaa aad aae aai aan aap ad- ada add ade adi adn adp aea aed aee aei aen aep ai- aia aid aie aii ain aip an- ana and ane ani ann anp ap- apa apd ape api apn app daa dad dae dai dan dap dda ddd dde ddi ddn ddp de- dea ded dee dei den dep di- dia did die dii din dip dna dnd dne dni dnn dnp dpa dpd dpe dpi dpn dpp eaa ead eae eai ean eap ed- eda edd ede edi edn edp eea eed eee een eep eia eid eie eii ein eip en- ena end ene eni enn enp ep- epa epd epe epi epn epp i-d ia- iaa iad iae iai ian iap ida idd ide idi idn idp ie- iea ied iee iei ien iep iia iid iie iii iin iip in- ina ind ine ini inn inp ipa ipd ipe ipi ipn ipp n-i naa nad nae nai nan nap nda ndd nde ndi ndn ndp ne- nea ned nee nei nen nep nia nid nie nii nin nip nna nne nni nnn nnp npa npd npe npi npn npp p-p paa pad pae pai pan pap pda pdd pde pdi pdn pdp pea ped pee pei pen pep pia pid pie pii pin pip pn- pna pnd pne pni pnn pnp ppa ppd ppe ppi ppn ppp