a-a a-b a-i a-t aaa aab aae aag aai aak aan aap aas aat ab- aba abb abe abg abi abk abn abp abs abt aea aeb aee aeg aei aek aen aep aes aet ag- aga agb age agg agi agk agn agp ags agt ai- aia aib aie aig aii aik ain aip ais ait aka akb ake akg aki akk akn akp aks an- ana anb ane ang ani ank ann anp ans ant ap- apa apb ape apg api apk apn app aps apt as- asa asb ase asg asi ask asn asp ass ast at- ata atb ate atg ati atn atp ats att b-p baa bab bae bag bai bak ban bap bas bat bba bbb bbe bbg bbi bbk bbn bbp bbs bbt be- bea beb bee beg bei bek ben bep bes bet bga bgb bge bgg bgi bgk bgn bgp bgs bgt bi- bia bib bie big bii bik bin bip bis bit bka bkb bke bkg bkk bkn bkp bks bkt bna bnb bne bng bni bnk bnn bnp bns bnt bpa bpb bpe bpg bpi bpn bpp bps bpt bsa bsb bse bsg bsi bsk bsn bsp bss bst bta btb bte btg bti btk btn btp bts btt eaa eab eae eag eai eak ean eap eas eat eba ebb ebe ebg ebi ebk ebn ebp ebs ebt eea eeb eee eeg eek een eep ees eet ega egb ege egg egi egn egp egs egt eia eib eie eig eii eik ein eip eis eit eka ekb eke ekg eki ekp eks ekt en- ena enb ene eng eni enk enn enp ens ent ep- epa epb epe epg epi epn epp eps ept es- esa esb ese esg esi esk esn esp ess est eta etb ete etg eti etk etn etp ets ett g-p gaa gab gae gag gai gak gan gap gas gat gba gbe gbg gbi gbk gbn gbp gbs gbt ge- gea geb gee geg gei gek gen gep ges get gga ggb ggg ggi ggn ggp ggs ggt gia gib gie gig gii gik gin gip gis git gka gkb gkn gkp gks gkt gna gnb gne gni gnn gnp gns gnt gpa gpb gpe gpg gpi gpk gpn gpp gps gpt gsa gsb gse gsg gsi gsk gsn gsp gss gst gta gtb gte gtg gti gtk gtn gtp gts gtt ia- iaa iab iae iag iai ian iap ias iat iba ibb ibe ibg ibi ibk ibn ibp ibs ibt ie- iea iee ieg iei iek ien iep ies iet iga igb ige igg igi igk ign igp igs igt iia iib iie iii iin iip iis iit ika ikb ike iki ikk iks ikt in- ina inb ine ing ini ink inn inp ins int ipa ipb ipe ipg ipi ipn ipp ips ipt is- isa isb ise isg isi isk isn isp iss ist ita itb ite itg iti itk itn itp its itt k-t ka- kaa kab kae kag kai kak kan kap kas kat kba kbb kbe kbi kbk kbn kbp kbs ke- kea keb kee keg kei kek ken kep kes ket kga kgb kgi kgp kgs kia kib kie kig kii kik kin kip kis kit kkb kke kki kkk kkn kkp kks kkt kn- kna kne kng kni knk knn knp knt kpa kpe kpi kpk kpn kpp kps kpt ksa ksb kse ksg ksi ksk ksn ksp kss kst kta ktb kte ktg ktk ktn ktp kts ktt n-i naa nab nae nag nai nak nan nap nas nat nba nbb nbe nbg nbi nbk nbn nbp nbs nbt ne- nea neb nee neg nei nek nen nep nes net nga ngb nge ngg ngi ngk ngn ngp ngs ngt nia nib nie nig nii nik nin nip nis nit nka nke nki nkk nkn nkp nks nkt nna nnb nne nng nni nnk nnn nnp nns nnt npa npb npe npg npi npn npp nps npt nsa nsb nse nsg nsi nsk nsn nsp nss nst nta ntb nte ntg nti ntk ntn ntp nts ntt p-p paa pab pae pag pai pak pan pap pas pat pba pbb pbe pbg pbi pbk pbn pbp pbs pbt pea peb pee peg pei pek pen pep pes pet pga pgb pge pgg pgi pgk pgn pgp pgs pgt pia pib pie pig pii pik pin pip pis pit pka pkb pke pkg pki pkn pkp pks pkt pn- pna pnb pne png pni pnk pnn pnp pns pnt ppa ppb ppe ppg ppi ppk ppn ppp pps ppt ps- psa psb pse psg psi psk psn psp pss pst pt- pta ptb pte ptg pti ptk ptn ptp pts ptt saa sab sae sag sai sak san sap sas sat sba sbb sbe sbg sbi sbk sbn sbp sbs sbt se- sea seb see seg sei sek sen sep ses set sga sgb sge sgg sgi sgk sgn sgp sgs sgt sia sib sie sig sii sik sin sip sis sit sk- ska skb ske skg ski skk skp sks skt sna snb sne sng sni snk snn snp sns snt spa spb spe spg spi spk spn spp sps spt ss- ssa ssb sse ssg ssi ssk ssn ssp sss sst sta stb ste stg sti stk stn stp sts stt taa tab tae tag tai tak tan tap tas tat tba tbb tbe tbg tbi tbk tbn tbp tbs tbt te- tea teb tee teg tei tek ten tep tes tet tga tgb tge tgg tgi tgk tgn tgp tgs tgt tia tib tie tig tii tik tin tip tis tit tka tkb tke tkg tkk tkp tks tkt tna tnb tne tng tni tnk tnn tnp tns tnt tpa tpb tpe tpg tpi tpk tpn tpp tps tpt tsa tsb tse tsg tsi tsk tsn tsp tss tst tta ttb tte ttg tti ttk ttn ttp tts ttt