a-a aaa aad aae aak aan aap ad- ada add ade adk adn adp aea aed aee aek aen aep aka akd ake akk akn akp an- ana and ane ank ann anp ap- apa apd ape apk apn app daa dad dae dak dan dap dda ddd dde ddk ddn ddp de- dea ded dee dek den dep dka dke dkk dkp dna dnd dne dnk dnn dnp dpa dpd dpe dpk dpn dpp eaa ead eae eak ean eap ed- eda edd ede edk edn edp eea eed eee eek een eep eka ekd eke ekp en- ena end ene enk enn enp ep- epa epd epe epn epp ka- kaa kad kae kak kan kap kda kde kdk kdp ke- kea ked kee kek ken kep kke kkk kkn kkp kn- kna knd kne knk knn knp kpa kpd kpe kpk kpn kpp naa nad nae nak nan nap nda ndd nde ndk ndn ndp ne- nea ned nee nek nen nep nka nke nkk nkn nkp nna nne nnk nnn nnp npa npd npe npn npp p-p paa pad pae pak pan pap pda pdd pde pdk pdn pdp pea ped pee pek pen pep pka pkd pke pkn pkp pn- pna pnd pne pnk pnn pnp ppa ppd ppe ppk ppn ppp