a-a a-i aaa aad aae aai aap ad- ada add ade adi adp aea aed aee aei aep ai- aia aid aie aii aip ap- apa apd ape api app daa dad dae dai dap dda ddd dde ddi ddp de- dea ded dee dei dep di- dia did die dii dip dpa dpd dpe dpi dpp eaa ead eae eai eap ed- eda edd ede edi edp eea eed eee eep eia eid eie eii eip ep- epa epd epe epi epp i-d ia- iaa iad iae iai iap ida idd ide idi idp ie- iea ied iee iei iep iia iid iie iii iip ipa ipd ipe ipi ipp p-p paa pad pae pai pap pda pdd pde pdi pdp pea ped pee pei pep pia pid pie pii pip ppa ppd ppe ppi ppp