-ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aak aan aap aas aat ab- aba abb abc abe abg abi abk abn abp abs abt ac- aca acb acc ace acg aci ack acn acp acs act aea aeb aec aee aeg aei aek aen aep aes aet ag- aga agb agc age agg agi agk agn agp ags agt ai- aia aib aic aie aig aii aik ain aip ais ait aka akb akc ake akg aki akk akn akp aks an- ana anb anc ane ang ani ank ann anp ans ant ap- apa apb apc ape apg api apk apn app aps apt as- asa asb asc ase asg asi ask asn asp ass ast at- ata atb atc ate atg ati atn atp ats att b-p baa bab bac bae bag bai bak ban bap bas bat bba bbb bbc bbe bbg bbi bbk bbn bbp bbs bbt bca bcb bcc bce bcg bci bck bcn bcp bcs bct be- bea beb bec bee beg bei bek ben bep bes bet bga bgb bgc bge bgg bgi bgk bgn bgp bgs bgt bi- bia bib bic bie big bii bik bin bip bis bit bka bkb bkc bke bkg bkk bkn bkp bks bkt bna bnb bnc bne bng bni bnk bnn bnp bns bnt bpa bpb bpc bpe bpg bpi bpn bpp bps bpt bsa bsb bsc bse bsg bsi bsk bsn bsp bss bst bta btb btc bte btg bti btk btn btp bts btt c-- caa cab cac cae cag cai cak can cap cas cat cba cbb cbc cbe cbg cbi cbk cbn cbp cbs cbt cca ccb ccc cce ccg cci cck ccn ccp ccs cct ce- cea ceb cec cee ceg cei cek cen cep ces cet cga cgb cgc cge cgg cgi cgn cgp cgs cgt ci- cia cib cic cie cig cii cik cin cip cis cit cka ckb ckc cki cks ckt cn- cna cnb cnc cne cng cni cnn cnp cns cnt cpa cpb cpc cpe cpg cpi cpk cpn cpp cps cpt csa csb csc cse csg csi csk csn csp css cst cta ctb ctc cte ctg cti ctk ctn ctp cts ctt eaa eab eac eae eag eai eak ean eap eas eat eba ebb ebc ebe ebg ebi ebk ebn ebp ebs ebt ec- eca ecb ecc ece ecg eci eck ecn ecs ect eea eeb eec eee eeg eek een eep ees eet ega egb egc ege egg egi egn egp egs egt eia eib eic eie eig eii eik ein eip eis eit eka ekb ekc eke ekg eki ekp eks ekt en- ena enb enc ene eng eni enk enn enp ens ent ep- epa epb epc epe epg epi epn epp eps ept es- esa esb esc ese esg esi esk esn esp ess est eta etb etc ete etg eti etk etn etp ets ett g-p gaa gab gac gae gag gai gak gan gap gas gat gba gbc gbe gbg gbi gbk gbn gbp gbs gbt gca gcb gcc gce gcg gci gck gcn gcp gcs gct ge- gea geb gec gee geg gei gek gen gep ges get gga ggb ggc ggg ggi ggn ggp ggs ggt gia gib gic gie gig gii gik gin gip gis git gka gkb gkn gkp gks gkt gna gnb gnc gne gni gnn gnp gns gnt gpa gpb gpc gpe gpg gpi gpk gpn gpp gps gpt gsa gsb gsc gse gsg gsi gsk gsn gsp gss gst gta gtb gtc gte gtg gti gtk gtn gtp gts gtt ia- iaa iab iac iae iag iai ian iap ias iat iba ibb ibc ibe ibg ibi ibk ibn ibp ibs ibt ica icb icc ice icg ici ick icn icp ics ict ie- iea iec iee ieg iei iek ien iep ies iet iga igb igc ige igg igi igk ign igp igs igt iia iib iic iie iii iin iip iis iit ika ikb ikc ike iki ikk iks ikt in- ina inb inc ine ing ini ink inn inp ins int ipa ipb ipc ipe ipg ipi ipn ipp ips ipt is- isa isb isc ise isg isi isk isn isp iss ist ita itb itc ite itg iti itk itn itp its itt k-t ka- kaa kab kac kae kag kai kak kan kap kas kat kba kbb kbc kbe kbi kbk kbn kbp kbs kca kcb kcc kce kcg kci kck kcn kcp kcs kct ke- kea keb kec kee keg kei kek ken kep kes ket kga kgb kgc kgi kgp kgs kia kib kic kie kig kii kik kin kip kis kit kkb kkc kke kki kkk kkn kkp kks kkt kn- kna knc kne kng kni knk knn knp knt kpa kpc kpe kpi kpk kpn kpp kps kpt ksa ksb ksc kse ksg ksi ksk ksn ksp kss kst kta ktb ktc kte ktg ktk ktn ktp kts ktt n-i naa nab nac nae nag nai nak nan nap nas nat nba nbb nbc nbe nbg nbi nbk nbn nbp nbs nbt nca ncb ncc nce ncg nci nck ncn ncp ncs nct ne- nea neb nec nee neg nei nek nen nep nes net nga ngb ngc nge ngg ngi ngk ngn ngp ngs ngt nia nib nic nie nig nii nik nin nip nis nit nka nkc nke nki nkk nkn nkp nks nkt nna nnb nnc nne nng nni nnk nnn nnp nns nnt npa npb npc npe npg npi npn npp nps npt nsa nsb nsc nse nsg nsi nsk nsn nsp nss nst nta ntb ntc nte ntg nti ntk ntn ntp nts ntt p-p paa pab pac pae pag pai pak pan pap pas pat pba pbb pbc pbe pbg pbi pbk pbn pbp pbs pbt pca pcb pcc pce pcg pci pck pcn pcp pcs pct pea peb pec pee peg pei pek pen pep pes pet pga pgb