a-a a-b a-i a-t aaa aab aae aai aak aan aap aas aat ab- aba abb abe abi abk abn abp abs abt aea aeb aee aei aek aen aep aes aet ai- aia aib aie aii aik ain aip ais ait aka akb ake aki akk akn akp aks an- ana anb ane ani ank ann anp ans ant ap- apa apb ape api apk apn app aps apt as- asa asb ase asi ask asn asp ass ast at- ata atb ate ati atn atp ats att b-p baa bab bae bai bak ban bap bas bat bba bbb bbe bbi bbk bbn bbp bbs bbt be- bea beb bee bei bek ben bep bes bet bi- bia bib bie bii bik bin bip bis bit bka bkb bke bkk bkn bkp bks bkt bna bnb bne bni bnk bnn bnp bns bnt bpa bpb bpe bpi bpn bpp bps bpt bsa bsb bse bsi bsk bsn bsp bss bst bta btb bte bti btk btn btp bts btt eaa eab eae eai eak ean eap eas eat eba ebb ebe ebi ebk ebn ebp ebs ebt eea eeb eee eek een eep ees eet eia eib eie eii eik ein eip eis eit eka ekb eke eki ekp eks ekt en- ena enb ene eni enk enn enp ens ent ep- epa epb epe epi epn epp eps ept es- esa esb ese esi esk esn esp ess est eta etb ete eti etk etn etp ets ett ia- iaa iab iae iai ian iap ias iat iba ibb ibe ibi ibk ibn ibp ibs ibt ie- iea iee iei iek ien iep ies iet iia iib iie iii iin iip iis iit ika ikb ike iki ikk iks ikt in- ina inb ine ini ink inn inp ins int ipa ipb ipe ipi ipn ipp ips ipt is- isa isb ise isi isk isn isp iss ist ita itb ite iti itk itn itp its itt k-t ka- kaa kab kae kai kak kan kap kas kat kba kbb kbe kbi kbk kbn kbp kbs ke- kea keb kee kei kek ken kep kes ket kia kib kie kii kik kin kip kis kit kkb kke kki kkk kkn kkp kks kkt kn- kna kne kni knk knn knp knt kpa kpe kpi kpk kpn kpp kps kpt ksa ksb kse ksi ksk ksn ksp kss kst kta ktb kte ktk ktn ktp kts ktt n-i naa nab nae nai nak nan nap nas nat nba nbb nbe nbi nbk nbn nbp nbs nbt ne- nea neb nee nei nek nen nep nes net nia nib nie nii nik nin nip nis nit nka nke nki nkk nkn nkp nks nkt nna nnb nne nni nnk nnn nnp nns nnt npa npb npe npi npn npp nps npt nsa nsb nse nsi nsk nsn nsp nss nst nta ntb nte nti ntk ntn ntp nts ntt p-p paa pab pae pai pak pan pap pas pat pba pbb pbe pbi pbk pbn pbp pbs pbt pea peb pee pei pek pen pep pes pet pia pib pie pii pik pin pip pis pit pka pkb pke pki pkn pkp pks pkt pn- pna pnb pne pni pnk pnn pnp pns pnt ppa ppb ppe ppi ppk ppn ppp pps ppt ps- psa psb pse psi psk psn psp pss pst pt- pta ptb pte pti ptk ptn ptp pts ptt saa sab sae sai sak san sap sas sat sba sbb sbe sbi sbk sbn sbp sbs sbt se- sea seb see sei sek sen sep ses set sia sib sie sii sik sin sip sis sit sk- ska skb ske ski skk skp sks skt sna snb sne sni snk snn snp sns snt spa spb spe spi spk spn spp sps spt ss- ssa ssb sse ssi ssk ssn ssp sss sst sta stb ste sti stk stn stp sts stt taa tab tae tai tak tan tap tas tat tba tbb tbe tbi tbk tbn tbp tbs tbt te- tea teb tee tei tek ten tep tes tet tia tib tie tii tik tin tip tis tit tka tkb tke tkk tkp tks tkt tna tnb tne tni tnk tnn tnp tns tnt tpa tpb tpe tpi tpk tpn tpp tps tpt tsa tsb tse tsi tsk tsn tsp tss tst tta ttb tte tti ttk ttn ttp tts ttt