a-a a-i a-z aaa aad aae aai aao aap aaz ad- ada add ade adi ado adp adz aea aed aee aei aeo aep aez ai- aia aid aie aii aio aip aiz aoa aod aoe aoi aoo aop ap- apa apd ape api apo app az- aza azd aze azi azo azp azz daa dad dae dai dao dap daz dda ddd dde ddi ddo ddp ddz de- dea ded dee dei deo dep dez di- dia did die dii dio dip diz doa dod doe doi doo dop doz dpa dpd dpe dpi dpo dpp dpz dza dzd dze dzi dzo dzp eaa ead eae eai eao eap eaz ed- eda edd ede edi edo edp eea eed eee eeo eep eia eid eie eii eio eip eo- eoa eod eoe eoi eoo eop ep- epa epd epe epi epo epp epz eze ezo ezz i-d ia- iaa iad iae iai iao iap iaz ida idd ide idi ido idp ie- iea ied iee iei iep iia iid iie iii iio iip io- ioa iod ioe ioi ioo iop ipa ipd ipe ipi ipo ipp iza ize izi izo izz o-i oaa oad oae oai oao oap oda odd ode odi odo odp oea oed oee oei oeo oep oia oid oie oii oio oip oiz oo- ooa ood ooi ooo oop op- opa opd ope opi opo opp oza oze ozo ozz p-p paa pad pae pai pao pap paz pda pdd pde pdi pdo pdp pdz pea ped pee pei peo pep pez pia pid pie pii pio pip piz poa pod poe poi poo pop poz ppa ppd ppe ppi ppo ppp ppz pzp zaa zad zai zao zap zaz zea zed zee zeo zep zez zia zid zie zio zip ziz zo- zoa zod zoe zoi zoo zpe zpi zpo zpp zzz