a-a a-b a-i a-t aaa aab aae aai aam aan aap aat ab- aba abb abe abi abm abn abp abt aea aeb aee aei aem aen aep aet ai- aia aib aie aii aim ain aip ait ama amb ame ami amm amn amp amt an- ana anb ane ani anm ann anp ant ap- apa apb ape api apm apn app apt at- ata atb ate ati atm atn atp att b-p baa bab bae bai bam ban bap bat bba bbb bbe bbi bbm bbn bbp bbt be- bea beb bee bei bem ben bep bet bi- bia bib bie bii bim bin bip bit bma bmb bme bmi bmm bmn bmp bmt bna bnb bne bni bnn bnp bnt bpa bpb bpe bpi bpm bpn bpp bpt bta btb bte bti btm btn btp btt eaa eab eae eai eam ean eap eat eba ebb ebe ebi ebm ebn ebp ebt eea eeb eee eem een eep eet eia eib eie eii eim ein eip eit em- ema emb eme emi emm emn emp emt en- ena enb ene eni enm enn enp ent ep- epa epb epe epi epm epn epp ept eta etb ete eti etm etn etp ett ia- iaa iab iae iai iam ian iap iat iba ibb ibe ibi ibm ibn ibp ibt ie- iea iee iei iem ien iep iet iia iib iie iii iim iin iip iit im- ima imb ime imi imm imn imp imt in- ina inb ine ini inm inn inp int ipa ipb ipe ipi ipm ipn ipp ipt ita itb ite iti itm itn itp itt maa mab mae mai mam man map mat mba mbb mbe mbi mbm mbp mbt mea meb mee mei mem men mep met mi- mia mib mie mii mim min mip mit mma mmb mme mmi mmm mmn mmp mmt mna mnb mne mni mnm mnn mnp mnt mpa mpb mpe mpi mpm mpn mpp mpt mta mtb mte mti mtm mtn mtp mtt n-i naa nab nae nai nam nan nap nat nba nbb nbe nbi nbm nbn nbp nbt ne- nea neb nee nei nem nen nep net nia nib nie nii nim nin nip nit nma nmb nme nmi nmm nmn nmp nmt nna nnb nne nni nnm nnn nnp nnt npa npb npe npi npm npn npp npt nta ntb nte nti ntm ntn ntp ntt p-p paa pab pae pai pam pan pap pat pba pbb pbe pbi pbm pbn pbp pbt pea peb pee pei pem pen pep pet pia pib pie pii pim pin pip pit pma pmb pme pmi pmm pmn pmp pmt pn- pna pnb pne pni pnm pnn pnp pnt ppa ppb ppe ppi ppm ppn ppp ppt pt- pta ptb pte pti ptm ptn ptp ptt taa tab tae tai tam tan tap tat tba tbb tbe tbi tbm tbn tbp tbt te- tea teb tee tei tem ten tep tet tia tib tie tii tim tin tip tit tma tmb tme tmi tmm tmn tmp tmt tna tnb tne tni tnm tnn tnp tnt tpa tpb tpe tpi tpm tpn tpp tpt tta ttb tte tti ttm ttn ttp ttt