a-a aaa aad aae aan aap aav ad- ada add ade adn adp adv aea aed aee aen aep aev an- ana and ane ann anp anv ap- apa apd ape apn app apv av- ava avd ave avn avp daa dad dae dan dap dav dda ddd dde ddn ddp de- dea ded dee den dep dev dna dnd dne dnn dnp dpa dpd dpe dpn dpp dpv dva dvd dve dvn dvp eaa ead eae ean eap eav ed- eda edd ede edn edp eea eed eee een eep eev en- ena end ene enn enp env ep- epa epd epe epn epp eva evd eve evn evp evv naa nad nae nan nap nav nda ndd nde ndn ndp ndv ne- nea ned nee nen nep nev nna nne nnn nnp nnv npa npd npe npn npp npv nva nvd nve nvn nvp nvv p-p paa pad pae pan pap pav pda pdd pde pdn pdp pdv pea ped pee pen pep pev pn- pna pnd pne pnn pnp pnv ppa ppd ppe ppn ppp ppv pva pvd pve pvn pvp pvv v-a v-e vaa vad vae van vap vav vdd vde vdp vdv vea ved vee ven vep vn- vna vnd vnp vnv vpa vpd vpe vpn vpp vva vvv