a-a a-b a-i a-t aaa aab aai aam aan aap aas aat ab- aba abb abi abm abn abp abs abt ai- aia aib aii aim ain aip ais ait ama amb ami amm amn amp ams amt an- ana anb ani anm ann anp ans ant ap- apa apb api apm apn app aps apt as- asa asb asi asm asn asp ass ast at- ata atb ati atm atn atp ats att b-p baa bab bai bam ban bap bas bat bba bbb bbi bbm bbn bbp bbs bbt bi- bia bib bii bim bin bip bis bit bma bmb bmi bmm bmn bmp bms bmt bna bnb bni bnn bnp bns bnt bpa bpb bpi bpm bpn bpp bps bpt bsa bsb bsi bsm bsn bsp bss bst bta btb bti btm btn btp bts btt ia- iaa iab iai iam ian iap ias iat iba ibb ibi ibm ibn ibp ibs ibt iia iib iii iim iin iip iis iit im- ima imb imi imm imn imp ims imt in- ina inb ini inm inn inp ins int ipa ipb ipi ipm ipn ipp ips ipt is- isa isb isi ism isn isp iss ist ita itb iti itm itn itp its itt maa mab mai mam man map mas mat mba mbb mbi mbm mbp mbs mbt mi- mia mib mii mim min mip mis mit mma mmb mmi mmm mmn mmp mms mmt mna mnb mni mnm mnn mnp mns mnt mpa mpb mpi mpm mpn mpp mps mpt msa msb msi msm msn msp mss mst mta mtb mti mtm mtn mtp mts mtt n-i naa nab nai nam nan nap nas nat nba nbb nbi nbm nbn nbp nbs nbt nia nib nii nim nin nip nis nit nma nmb nmi nmm nmn nmp nms nmt nna nnb nni nnm nnn nnp nns nnt npa npb npi npm npn npp nps npt nsa nsb nsi nsm nsn nsp nss nst nta ntb nti ntm ntn ntp nts ntt p-p paa pab pai pam pan pap pas pat pba pbb pbi pbm pbn pbp pbs pbt pia pib pii pim pin pip pis pit pma pmb pmi pmm pmn pmp pms pmt pn- pna pnb pni pnm pnn pnp pns pnt ppa ppb ppi ppm ppn ppp pps ppt ps- psa psb psi psm psn psp pss pst pt- pta ptb pti ptm ptn ptp pts ptt saa sab sai sam san sap sas sat sba sbb sbi sbm sbn sbp sbs sbt sia sib sii sim sin sip sis sit sma smb smi smm smn smp sms smt sna snb sni snm snn snp sns snt spa spb spi spm spn spp sps spt ss- ssa ssb ssi ssm ssn ssp sss sst sta stb sti stm stn stp sts stt taa tab tai tam tan tap tas tat tba tbb tbi tbm tbn tbp tbs tbt tia tib tii tim tin tip tis tit tma tmb tmi tmm tmn tmp tms tmt tna tnb tni tnm tnn tnp tns tnt tpa tpb tpi tpm tpn tpp tps tpt tsa tsb tsi tsm tsn tsp tss tst tta ttb tti ttm ttn ttp tts ttt