a-a a-b a-i a-t aaa aab aae aai aak aam aan aap aas aat ab- aba abb abe abi abk abm abn abp abs abt aea aeb aee aei aek aem aen aep aes aet ai- aia aib aie aii aik aim ain aip ais ait aka akb ake aki akk akm akn akp aks ama amb ame ami amk amm amn amp ams amt an- ana anb ane ani ank anm ann anp ans ant ap- apa apb ape api apk apm apn app aps apt as- asa asb ase asi ask asm asn asp ass ast at- ata atb ate ati atm atn atp ats att b-p baa bab bae bai bak bam ban bap bas bat bba bbb bbe bbi bbk bbm bbn bbp bbs bbt be- bea beb bee bei bek bem ben bep bes bet bi- bia bib bie bii bik bim bin bip bis bit bka bkb bke bkk bkm bkn bkp bks bkt bma bmb bme bmi bmk bmm bmn bmp bms bmt bna bnb bne bni bnk bnn bnp bns bnt bpa bpb bpe bpi bpm bpn bpp bps bpt bsa bsb bse bsi bsk bsm bsn bsp bss bst bta btb bte bti btk btm btn btp bts btt eaa eab eae eai eak eam ean eap eas eat eba ebb ebe ebi ebk ebm ebn ebp ebs ebt eea eeb eee eek eem een eep ees eet eia eib eie eii eik eim ein eip eis eit eka ekb eke eki ekp eks ekt em- ema emb eme emi emk emm emn emp ems emt en- ena enb ene eni enk enm enn enp ens ent ep- epa epb epe epi epm epn epp eps ept es- esa esb ese esi esk esm esn esp ess est eta etb ete eti etk etm etn etp ets ett ia- iaa iab iae iai iam ian iap ias iat iba ibb ibe ibi ibk ibm ibn ibp ibs ibt ie- iea iee iei iek iem ien iep ies iet iia iib iie iii iim iin iip iis iit ika ikb ike iki ikk iks ikt im- ima imb ime imi imm imn imp ims imt in- ina inb ine ini ink inm inn inp ins int ipa ipb ipe ipi ipm ipn ipp ips ipt is- isa isb ise isi isk ism isn isp iss ist ita itb ite iti itk itm itn itp its itt k-t ka- kaa kab kae kai kak kam kan kap kas kat kba kbb kbe kbi kbk kbm kbn kbp kbs ke- kea keb kee kei kek kem ken kep kes ket kia kib kie kii kik kim kin kip kis kit kkb kke kki kkk kkm kkn kkp kks kkt kma kmb kme kmi kmk kmm kmp kms kmt kn- kna kne kni knk knm knn knp knt kpa kpe kpi kpk kpm kpn kpp kps kpt ksa ksb kse ksi ksk ksm ksn ksp kss kst kta ktb kte ktk ktm ktn ktp kts ktt maa mab mae mai mak mam man map mas mat mba mbb mbe mbi mbk mbm mbp mbs mbt mea meb mee mei mek mem men mep mes met mi- mia mib mie mii mik mim min mip mis mit mka mkb mke mkk mkm mkn mkp mks mkt mma mmb mme mmi mmk mmm mmn mmp mms mmt mna mnb mne mni mnk mnm mnn mnp mns mnt mpa mpb mpe mpi mpk mpm mpn mpp mps mpt msa msb mse msi msk msm msn msp mss mst mta mtb mte mti mtk mtm mtn mtp mts mtt n-i naa nab nae nai nak nam nan nap nas nat nba nbb nbe nbi nbk nbm nbn nbp nbs nbt ne- nea neb nee nei nek nem nen nep nes net nia nib nie nii nik nim nin nip nis nit nka nke nki nkk nkm nkn nkp nks nkt nma nmb nme nmi nmk nmm nmn nmp nms nmt nna nnb nne nni nnk nnm nnn nnp nns nnt npa npb npe npi npm npn npp nps npt nsa nsb nse nsi nsk nsm nsn nsp nss nst nta ntb nte nti ntk ntm ntn ntp nts ntt p-p paa pab pae pai pak pam pan pap pas pat pba pbb pbe pbi pbk pbm pbn pbp pbs pbt pea peb pee pei pek pem pen pep pes pet pia pib pie pii pik pim pin pip pis pit pka pkb pke pki pkm pkn pkp pks pkt pma pmb pme pmi pmk pmm pmn pmp pms pmt pn- pna pnb pne pni pnk pnm pnn pnp pns pnt ppa ppb ppe ppi ppk ppm ppn ppp pps ppt ps- psa psb pse psi psk psm psn psp pss pst pt- pta ptb pte pti ptk ptm ptn ptp pts ptt saa sab sae sai sak sam san sap sas sat sba sbb sbe sbi sbk sbm sbn sbp sbs sbt se- sea seb see sei sek sem sen sep ses set sia sib sie sii sik sim sin sip sis sit sk- ska skb ske ski skk skm skp sks skt sma smb sme smi smk smm smn smp sms smt sna snb sne sni snk snm snn snp sns snt spa spb spe spi spk spm spn spp sps spt ss- ssa ssb sse ssi ssk ssm ssn ssp sss sst sta stb ste sti stk stm stn stp sts stt taa tab tae tai tak tam tan tap tas tat tba tbb tbe tbi tbk tbm tbn tbp tbs tbt te- tea teb tee tei tek tem ten tep tes tet tia tib tie tii tik tim tin tip tis tit tka tkb tke tkk tkm tkp tks tkt tma tmb tme tmi tmk tmm tmn tmp tms tmt tna tnb tne tni tnk tnm tnn tnp tns tnt tpa tpb tpe tpi tpk tpm tpn tpp tps tpt tsa tsb tse tsi tsk tsm tsn tsp tss tst tta ttb tte tti ttk ttm