-ic a-a a-b a-c a-i aaa aab aac aag aah aai aak ab- aba abb abc abg abh abi abk ac- aca acb acc acg ach aci ack ag- aga agb agc agg agh agi agk aha ahb ahc ahg ahh ahi ahk ai- aia aib aic aig aih aii aik aka akb akc akg akh aki akk baa bab bac bag bah bai bak bba bbb bbc bbg bbh bbi bbk bca bcb bcc bcg bch bci bck bga bgb bgc bgg bgh bgi bgk bha bhb bhc bhg bhh bhi bhk bi- bia bib bic big bih bii bik bka bkb bkc bkg bkk c-- caa cab cac cag cah cai cak cba cbb cbc cbg cbh cbi cbk cca ccb ccc ccg cch cci cck cga cgb cgc cgg cgh cgi ch- cha chb chc chg chh chi chk ci- cia cib cic cig cih cii cik cka ckb ckc ckh cki gaa gab gac gag gah gai gak gba gbc gbg gbh gbi gbk gca gcb gcc gcg gch gci gck gga ggb ggc ggg ggh ggi gha ghb ghc ghg ghh ghi gia gib gic gig gih gii gik gka gkb gkh h-i haa hab hac hag hah hai hak hba hbb hbc hbg hbh hbi hbk hca hcb hcc hcg hch hci hck hga hgb hgc hgg hgh hgi hgk hha hhb hhc hhg hhh hhi hhk hia hib hic hig hih hii hik hka hkb hkg hkh hki hkk ia- iaa iab iac iag iah iai iba ibb ibc ibg ibh ibi ibk ica icb icc icg ich ici ick iga igb igc igg igh igi igk iha ihb ihc ihg ihh ihi ihk iia iib iic iih iii ika ikb ikc iki ikk ka- kaa kab kac kag kah kai kak kba kbb kbc kbh kbi kbk kca kcb kcc kcg kch kci kck kga kgb kgc kgh kgi kha khh khi khk kia kib kic kig kih kii kik kkb kkc kkh kki kkk