a-a aaa aad aae aaf aan aao aap ad- ada add ade adf adn ado adp aea aed aee aef aen aeo aep af- afa afd afe aff afn afo afp an- ana and ane anf ann ano anp aoa aod aoe aof aon aoo aop ap- apa apd ape apf apn apo app daa dad dae daf dan dao dap dda ddd dde ddf ddn ddo ddp de- dea ded dee def den deo dep dfa dfd dfe dff dfn dfo dfp dna dnd dne dnf dnn dno dnp doa dod doe dof don doo dop dpa dpd dpe dpf dpn dpo dpp eaa ead eae eaf ean eao eap ed- eda edd ede edf edn edo edp eea eed eee eef een eeo eep ef- efa efd efe eff efo efp en- ena end ene enf enn eno enp eo- eoa eod eoe eof eon eoo eop ep- epa epd epe epf epn epo epp faa fad fae faf fan fao fap fda fdd fde fdf fdn fdo fdp fea fed fee fef fen feo fep ffa ffd ffe fff ffn ffo ffp fna fnd fne fnf fnn fnp foa foe fof fon foo fop fpa fpd fpe fpn fpo fpp naa nad nae naf nan nao nap nda ndd nde ndf ndn ndo ndp ne- nea ned nee nef nen neo nep nfa nfd nfe nff nfn nfo nfp nna nne nnf nnn nno nnp no- noa nod noe nof non noo nop npa npd npe npf npn npo npp oaa oad oae oaf oan oao oap oda odd ode odf odn odo odp oea oed oee oef oen oeo oep of- ofa ofd ofe off ofn ofo ofp on- ona ond one onf onn ono onp oo- ooa ood oof oon ooo oop op- opa opd ope opf opn opo opp p-p paa pad pae paf pan pao pap pda pdd pde pdf pdn pdo pdp pea ped pee pef pen peo pep pfa pfd pfe pff pfn pfo pfp pn- pna pnd pne pnf pnn pno pnp poa pod poe pof pon poo pop ppa ppd ppe ppf ppn ppo ppp