a-a a-b a-i a-t a-z aaa aab aad aai aan aap aat aaz ab- aba abb abd abi abn abp abt abz ad- ada adb add adi adn adp adt adz ai- aia aib aid aii ain aip ait aiz an- ana anb and ani ann anp ant anz ap- apa apb apd api apn app apt at- ata atb atd ati atn atp att atz az- aza azb azd azi azn azp azt azz b-p baa bab bad bai ban bap bat baz bba bbb bbd bbi bbn bbp bbt bda bdb bdd bdi bdp bdt bdz bi- bia bib bid bii bin bip bit biz bna bnb bnd bni bnn bnp bnt bnz bpa bpb bpd bpi bpn bpp bpt bta btb btd bti btn btp btt btz bza bzd bzn bzp bzz daa dab dad dai dan dap dat daz dba dbb dbd dbi dbn dbp dbt dbz dda ddb ddd ddi ddn ddp ddt ddz di- dia dib did dii din dip dit diz dna dnb dnd dni dnn dnp dnt dnz dpa dpb dpd dpi dpn dpp dpt dpz dta dtb dtd dti dtn dtp dtt dtz dza dzb dzd dzi dzp i-d ia- iaa iab iad iai ian iap iat iaz iba ibb ibd ibi ibn ibp ibt ibz ida idb idd idi idn idp idt iia iib iid iii iin iip iit in- ina inb ind ini inn inp int ipa ipb ipd ipi ipn ipp ipt ita itb itd iti itn itp itt itz iza izi izz n-i naa nab nad nai nan nap nat naz nba nbb nbd nbi nbn nbp nbt nda ndb ndd ndi ndn ndp ndt nia nib nid nii nin nip nit niz nna nnb nni nnn nnp nnt nnz npa npb npd npi npn npp npt npz nta ntb ntd nti ntn ntp ntt ntz nzb nzd nzi nzp nzz p-p paa pab pad pai pan pap pat paz pba pbb pbd pbi pbn pbp pbt pbz pda pdb pdd pdi pdn pdp pdt pdz pia pib pid pii pin pip pit piz pn- pna pnb pnd pni pnn pnp pnt ppa ppb ppd ppi ppn ppp ppt ppz pt- pta ptb ptd pti ptn ptp ptt ptz pzp pzt taa tab tad tai tan tap tat taz tba tbb tbd tbi tbn tbp tbt tbz tda tdb tdd tdi tdn tdp tdt tia tib tid tii tin tip tit tiz tna tnb tnd tni tnn tnp tnt tnz tpa tpb tpd tpi tpn tpp tpt tpz tta ttb ttd tti ttn ttp ttt tza tzd zaa zab zad zai zan zap zat zaz zbb zbt zdt zia zib zid zin zip zit ziz znd znn znp zpi zpp zpt zta zzt zzz