-ic a-a a-b a-c a-i aaa aab aac aah aai aak aan ab- aba abb abc abh abi abk abn ac- aca acb acc ach aci ack acn aha ahb ahc ahh ahi ahk ahn ai- aia aib aic aih aii aik ain aka akb akc akh aki akk akn an- ana anb anc anh ani ank ann baa bab bac bah bai bak ban bba bbb bbc bbh bbi bbk bbn bca bcb bcc bch bci bck bcn bha bhb bhc bhh bhi bhk bi- bia bib bic bih bii bik bin bka bkb bkc bkk bkn bna bnb bnc bni bnk bnn c-- caa cab cac cah cai cak can cba cbb cbc cbh cbi cbk cbn cca ccb ccc cch cci cck ccn ch- cha chb chc chh chi chk chn ci- cia cib cic cih cii cik cin cka ckb ckc ckh cki cn- cna cnb cnc cnh cni cnn h-i haa hab hac hah hai hak han hba hbb hbc hbh hbi hbk hbn hca hcb hcc hch hci hck hcn hha hhb hhc hhh hhi hhk hhn hia hib hic hih hii hik hin hka hkb hkh hki hkk hkn hna hnb hnc hnh hnk hnn ia- iaa iab iac iah iai ian iba ibb ibc ibh ibi ibk ibn ica icb icc ich ici ick icn iha ihb ihc ihh ihi ihk ihn iia iib iic iih iii iin ika ikb ikc iki ikk in- ina inb inc inh ini ink inn ka- kaa kab kac kah kai kak kan kba kbb kbc kbh kbi kbk kbn kca kcb kcc kch kci kck kcn kha khh khi khk khn kia kib kic kih kii kik kin kkb kkc kkh kki kkk kkn kn- kna knc kni knk knn n-i naa nab nac nah nai nak nan nba nbb nbc nbi nbk nbn nca ncb ncc nch nci nck ncn nha nhb nhc nhh nhi nhk nhn nia nib nic nih nii nik nin nka nkc nki nkk nkn nna nnb nnc nnh nni nnk nnn