a-a a-b a-i a-t a-z aaa aab aad aae aai aap aat aaz ab- aba abb abd abe abi abp abt abz ad- ada adb add ade adi adp adt adz aea aeb aed aee aei aep aet aez ai- aia aib aid aie aii aip ait aiz ap- apa apb apd ape api app apt at- ata atb atd ate ati atp att atz az- aza azb azd aze azi azp azt azz b-p baa bab bad bae bai bap bat baz bba bbb bbd bbe bbi bbp bbt bda bdb bdd bde bdi bdp bdt bdz be- bea beb bed bee bei bep bet bez bi- bia bib bid bie bii bip bit biz bpa bpb bpd bpe bpi bpp bpt bta btb btd bte bti btp btt btz bza bzd bze bzp bzz daa dab dad dae dai dap dat daz dba dbb dbd dbe dbi dbp dbt dbz dda ddb ddd dde ddi ddp ddt ddz de- dea deb ded dee dei dep det dez di- dia dib did die dii dip dit diz dpa dpb dpd dpe dpi dpp dpt dpz dta dtb dtd dte dti dtp dtt dtz dza dzb dzd dze dzi dzp eaa eab ead eae eai eap eat eaz eba ebb ebd ebe ebi ebp ebt ed- eda edb edd ede edi edp edt eea eeb eed eee eep eet eia eib eid eie eii eip eit ep- epa epb epd epe epi epp ept epz eta etb etd ete eti etp ett etz eze ezz i-d ia- iaa iab iad iae iai iap iat iaz iba ibb ibd ibe ibi ibp ibt ibz ida idb idd ide idi idp idt ie- iea ied iee iei iep iet iia iib iid iie iii iip iit ipa ipb ipd ipe ipi ipp ipt ita itb itd ite iti itp itt itz iza ize izi izz p-p paa pab pad pae pai pap pat paz pba pbb pbd pbe pbi pbp pbt pbz pda pdb pdd pde pdi pdp pdt pdz pea peb ped pee pei pep pet pez pia pib pid pie pii pip pit piz ppa ppb ppd ppe ppi ppp ppt ppz pt- pta ptb ptd pte pti ptp ptt ptz pzp pzt taa tab tad tae tai tap tat taz tba tbb tbd tbe tbi tbp tbt tbz tda tdb tdd tde tdi tdp tdt te- tea teb ted tee tei tep tet tez tia tib tid tie tii tip tit tiz tpa tpb tpd tpe tpi tpp tpt tpz tta ttb ttd tte tti ttp ttt tza tzd tze zaa zab zad zai zap zat zaz zbb zbt zdt zea zeb zed zee zep zet zez zia zib zid zie zip zit ziz zpe zpi zpp zpt zta zte zzt zzz