-ic a-a a-b a-c a-i aaa aab aac aag aah aai aan aas ab- aba abb abc abg abh abi abn abs ac- aca acb acc acg ach aci acn acs ag- aga agb agc agg agh agi agn ags aha ahb ahc ahg ahh ahi ahn ahs ai- aia aib aic aig aih aii ain ais an- ana anb anc ang anh ani ann ans as- asa asb asc asg ash asi asn ass baa bab bac bag bah bai ban bas bba bbb bbc bbg bbh bbi bbn bbs bca bcb bcc bcg bch bci bcn bcs bga bgb bgc bgg bgh bgi bgn bgs bha bhb bhc bhg bhh bhi bhs bi- bia bib bic big bih bii bin bis bna bnb bnc bng bni bnn bns bsa bsb bsc bsg bsh bsi bsn bss c-- caa cab cac cag cah cai can cas cba cbb cbc cbg cbh cbi cbn cbs cca ccb ccc ccg cch cci ccn ccs cga cgb cgc cgg cgh cgi cgn cgs ch- cha chb chc chg chh chi chn chs ci- cia cib cic cig cih cii cin cis cn- cna cnb cnc cng cnh cni cnn cns csa csb csc csg csh csi csn css gaa gab gac gag gah gai gan gas gba gbc gbg gbh gbi gbn gbs gca gcb gcc gcg gch gci gcn gcs gga ggb ggc ggg ggh ggi ggn ggs gha ghb ghc ghg ghh ghi ghn ghs gia gib gic gig gih gii gin gis gna gnb gnc gni gnn gns gsa gsb gsc gsg gsi gsn gss h-i haa hab hac hag hah hai han has hba hbb hbc hbg hbh hbi hbn hbs hca hcb hcc hcg hch hci hcn hcs hga hgb hgc hgg hgh hgi hgn hgs hha hhb hhc hhg hhh hhi hhn hhs hia hib hic hig hih hii hin his hna hnb hnc hng hnh hnn hns hsa hsb hsc hsg hsh hsi hsn hss ia- iaa iab iac iag iah iai ian ias iba ibb ibc ibg ibh ibi ibn ibs ica icb icc icg ich ici icn ics iga igb igc igg igh igi ign igs iha ihb ihc ihg ihh ihi ihn ihs iia iib iic iih iii iin iis in- ina inb inc ing inh ini inn ins is- isa isb isc isg ish isi isn iss n-i naa nab nac nag nah nai nan nas nba nbb nbc nbg nbi nbn nbs nca ncb ncc ncg nch nci ncn ncs nga ngb ngc ngg ngh ngi ngn ngs nha nhb nhc nhg nhh nhi nhn nhs nia nib nic nig nih nii nin nis nna nnb nnc nng nnh nni nnn nns nsa nsb nsc nsg nsh nsi nsn nss saa sab sac sag sah sai san sas sba sbb sbc sbg sbh sbi sbn sbs sca scb scc scg sch sci scn scs sga sgb sgc sgg sgh sgi sgn sgs sh- sha shb shc shg shh shi shn shs sia sib sic sig sih sii sin sis sna snb snc sng sni snn sns ss- ssa ssb ssc ssg ssh ssi ssn sss