a-a a-z aaa aad aae aao aap aav aaz ad- ada add ade ado adp adv adz aea aed aee aeo aep aev aez aoa aod aoe aoo aop aov ap- apa apd ape apo app apv av- ava avd ave avo avp avz az- aza azd aze azo azp azz daa dad dae dao dap dav daz dda ddd dde ddo ddp ddz de- dea ded dee deo dep dev dez doa dod doe doo dop dov doz dpa dpd dpe dpo dpp dpv dpz dva dvd dve dvp dza dzd dze dzo dzp eaa ead eae eao eap eav eaz ed- eda edd ede edo edp eea eed eee eeo eep eev eo- eoa eod eoe eoo eop ep- epa epd epe epo epp epz eva evd eve evo evp evv eze ezo ezz oaa oad oae oao oap oav oda odd ode odo odp odv oea oed oee oeo oep oo- ooa ood ooo oop oov op- opa opd ope opo opp opv ov- ova ovd ove ovo ovp ovv oza oze ozo ozz p-p paa pad pae pao pap pav paz pda pdd pde pdo pdp pdv pdz pea ped pee peo pep pev pez poa pod poe poo pop pov poz ppa ppd ppe ppo ppp ppv ppz pva pvd pve pvo pvp pvv pvz pzp v-a v-e vaa vad vae vao vap vav vaz vdd vde vdo vdp vdv vea ved vee veo vep vez voa vod voe voo vop vov voz vpa vpd vpe vpo vpp vva vvo vvv vvz zaa zad zao zap zav zaz zdv zea zed zee zeo zep zev zez zo- zoa zod zoe zoo zpe zpo zpp zzz