-ic a-a a-b a-c a-i aaa aab aac aae aag aah aai aan aas ab- aba abb abc abe abg abh abi abn abs ac- aca acb acc ace acg ach aci acn acs aea aeb aec aee aeg aeh aei aen aes ag- aga agb agc age agg agh agi agn ags aha ahb ahc ahe ahg ahh ahi ahn ahs ai- aia aib aic aie aig aih aii ain ais an- ana anb anc ane ang anh ani ann ans as- asa asb asc ase asg ash asi asn ass baa bab bac bae bag bah bai ban bas bba bbb bbc bbe bbg bbh bbi bbn bbs bca bcb bcc bce bcg bch bci bcn bcs be- bea beb bec bee beg beh bei ben bes bga bgb bgc bge bgg bgh bgi bgn bgs bha bhb bhc bhe bhg bhh bhi bhs bi- bia bib bic bie big bih bii bin bis bna bnb bnc bne bng bni bnn bns bsa bsb bsc bse bsg bsh bsi bsn bss c-- caa cab cac cae cag cah cai can cas cba cbb cbc cbe cbg cbh cbi cbn cbs cca ccb ccc cce ccg cch cci ccn ccs ce- cea ceb cec cee ceg ceh cei cen ces cga cgb cgc cge cgg cgh cgi cgn cgs ch- cha chb chc che chg chh chi chn chs ci- cia cib cic cie cig cih cii cin cis cn- cna cnb cnc cne cng cnh cni cnn cns csa csb csc cse csg csh csi csn css eaa eab eac eae eag eah eai ean eas eba ebb ebc ebe ebg ebh ebi ebn ebs ec- eca ecb ecc ece ecg ech eci ecn ecs eea eeb eec eee eeg een ees ega egb egc ege egg egh egi egn egs eha ehb ehc ehe ehg ehh ehi ehn ehs eia eib eic eie eig eii ein eis en- ena enb enc ene eng enh eni enn ens es- esa esb esc ese esg esh esi esn ess gaa gab gac gae gag gah gai gan gas gba gbc gbe gbg gbh gbi gbn gbs gca gcb gcc gce gcg gch gci gcn gcs ge- gea geb gec gee geg geh gei gen ges gga ggb ggc ggg ggh ggi ggn ggs gha ghb ghc ghe ghg ghh ghi ghn ghs gia gib gic gie gig gih gii gin gis gna gnb gnc gne gni gnn gns gsa gsb gsc gse gsg gsi gsn gss h-i haa hab hac hae hag hah hai han has hba hbb hbc hbe hbg hbh hbi hbn hbs hca hcb hcc hce hcg hch hci hcn hcs he- hea heb hec hee heg heh hei hen hes hga hgb hgc hge hgg hgh hgi hgn hgs hha hhb hhc hhe hhg hhh hhi hhn hhs hia hib hic hie hig hih hii hin his hna hnb hnc hne hng hnh hnn hns hsa hsb hsc hse hsg hsh hsi hsn hss ia- iaa iab iac iae iag iah iai ian ias iba ibb ibc ibe ibg ibh ibi ibn ibs ica icb icc ice icg ich ici icn ics ie- iea iec iee ieg iei ien ies iga igb igc ige igg igh igi ign igs iha ihb ihc ihe ihg ihh ihi ihn ihs iia iib iic iie iih iii iin iis in- ina inb inc ine ing inh ini inn ins is- isa isb isc ise isg ish isi isn iss n-i naa nab nac nae nag nah nai nan nas nba nbb nbc nbe nbg nbi nbn nbs nca ncb ncc nce ncg nch nci ncn ncs ne- nea neb nec nee neg neh nei nen nes nga ngb ngc nge ngg ngh ngi ngn ngs nha nhb nhc nhe nhg nhh nhi nhn nhs nia nib nic nie nig nih nii nin nis nna nnb nnc nne nng nnh nni nnn nns nsa nsb nsc nse nsg nsh nsi nsn nss saa sab sac sae sag sah sai san sas sba sbb sbc sbe sbg sbh sbi sbn sbs sca scb scc sce scg sch sci scn scs se- sea seb sec see seg seh sei sen ses sga sgb sgc sge sgg sgh sgi sgn sgs sh- sha shb shc she shg shh shi shn shs sia sib sic sie sig sih sii sin sis sna snb snc sne sng sni snn sns ss- ssa ssb ssc sse ssg ssh ssi ssn sss