a-a a-b a-i a-t aaa aab aad aae aai aan aap aat ab- aba abb abd abe abi abn abp abt ad- ada adb add ade adi adn adp adt aea aeb aed aee aei aen aep aet ai- aia aib aid aie aii ain aip ait an- ana anb and ane ani ann anp ant ap- apa apb apd ape api apn app apt at- ata atb atd ate ati atn atp att b-p baa bab bad bae bai ban bap bat bba bbb bbd bbe bbi bbn bbp bbt bda bdb bdd bde bdi bdp bdt be- bea beb bed bee bei ben bep bet bi- bia bib bid bie bii bin bip bit bna bnb bnd bne bni bnn bnp bnt bpa bpb bpd bpe bpi bpn bpp bpt bta btb btd bte bti btn btp btt daa dab dad dae dai dan dap dat dba dbb dbd dbe dbi dbn dbp dbt dda ddb ddd dde ddi ddn ddp ddt de- dea deb ded dee dei den dep det di- dia dib did die dii din dip dit dna dnb dnd dne dni dnn dnp dnt dpa dpb dpd dpe dpi dpn dpp dpt dta dtb dtd dte dti dtn dtp dtt eaa eab ead eae eai ean eap eat eba ebb ebd ebe ebi ebn ebp ebt ed- eda edb edd ede edi edn edp edt eea eeb eed eee een eep eet eia eib eid eie eii ein eip eit en- ena enb end ene eni enn enp ent ep- epa epb epd epe epi epn epp ept eta etb etd ete eti etn etp ett i-d ia- iaa iab iad iae iai ian iap iat iba ibb ibd ibe ibi ibn ibp ibt ida idb idd ide idi idn idp idt ie- iea ied iee iei ien iep iet iia iib iid iie iii iin iip iit in- ina inb ind ine ini inn inp int ipa ipb ipd ipe ipi ipn ipp ipt ita itb itd ite iti itn itp itt n-i naa nab nad nae nai nan nap nat nba nbb nbd nbe nbi nbn nbp nbt nda ndb ndd nde ndi ndn ndp ndt ne- nea neb ned nee nei nen nep net nia nib nid nie nii nin nip nit nna nnb nne nni nnn nnp nnt npa npb npd npe npi npn npp npt nta ntb ntd nte nti ntn ntp ntt p-p paa pab pad pae pai pan pap pat pba pbb pbd pbe pbi pbn pbp pbt pda pdb pdd pde pdi pdn pdp pdt pea peb ped pee pei pen pep pet pia pib pid pie pii pin pip pit pn- pna pnb pnd pne pni pnn pnp pnt ppa ppb ppd ppe ppi ppn ppp ppt pt- pta ptb ptd pte pti ptn ptp ptt taa tab tad tae tai tan tap tat tba tbb tbd tbe tbi tbn tbp tbt tda tdb tdd tde tdi tdn tdp tdt te- tea teb ted tee tei ten tep tet tia tib tid tie tii tin tip tit tna tnb tnd tne tni tnn tnp tnt tpa tpb tpd tpe tpi tpn tpp tpt tta ttb ttd tte tti ttn ttp ttt