-er a-a a-z aaa aad aae aao aap aar aaz ad- ada add ade ado adp adr adz aea aed aee aeo aep aer aez aoa aod aoe aoo aop aor ap- apa apd ape apo app apr ar- ara ard are aro arp arr arz az- aza azd aze azo azp azz daa dad dae dao dap dar daz dda ddd dde ddo ddp ddr ddz de- dea ded dee deo dep der dez doa dod doe doo dop dor doz dpa dpd dpe dpo dpp dpr dpz dra drd dre dro drp drr drz dza dzd dze dzo dzp dzr eaa ead eae eao eap ear eaz ed- eda edd ede edo edp edr eea eed eee eeo eep eer eo- eoa eod eoe eoo eop eor ep- epa epd epe epo epp epr epz era erd ere ero erp err erz eze ezo ezr ezz oaa oad oae oao oap oar oda odd ode odo odp odr oea oed oee oeo oep oer oo- ooa ood ooo oop oor op- opa opd ope opo opp opr or- ora ord ore oro orp orr orz oza oze ozo ozz p-p paa pad pae pao pap par paz pda pdd pde pdo pdp pdr pdz pea ped pee peo pep per pez poa pod poe poo pop por poz ppa ppd ppe ppo ppp ppr ppz pra prd pre pro prp prr prz pzp ra- raa rad rae rao rap rar raz rda rdd rde rdo rdp rdr re- rea red ree reo rep rer rez roa rod roe roo rop ror roz rpa rpd rpe rpo rpp rpr rpz rra rrd rrp rrr rza rze rzo zaa zad zao zap zar zaz zea zed zee zeo zep zer zez zo- zoa zod zoe zoo zor zpe zpo zpp zpr zro zrp zzr zzz