-ic a-a a-b a-c a-i aaa aab aac aah aai aan aay ab- aba abb abc abh abi abn aby ac- aca acb acc ach aci acn acy aha ahb ahc ahh ahi ahn ahy ai- aia aib aic aih aii ain aiy an- ana anb anc anh ani ann any ay- aya ayc ayh ayi ayn baa bab bac bah bai ban bay bba bbb bbc bbh bbi bbn bby bca bcb bcc bch bci bcn bcy bha bhb bhc bhh bhi bi- bia bib bic bih bii bin biy bna bnb bnc bni bnn by- bya byc byh byi byn c-- caa cab cac cah cai can cay cba cbb cbc cbh cbi cbn cby cca ccb ccc cch cci ccn ch- cha chb chc chh chi chn chy ci- cia cib cic cih cii cin cn- cna cnb cnc cnh cni cnn cny cya cyb cyc cyn h-i haa hab hac hah hai han hay hba hbb hbc hbh hbi hbn hby hca hcb hcc hch hci hcn hcy hha hhb hhc hhh hhi hhn hhy hia hib hic hih hii hin hna hnb hnc hnh hnn hny hy- hya hyb hyc hyh hyi hyn hyy ia- iaa iab iac iah iai ian iba ibb ibc ibh ibi ibn iby ica icb icc ich ici icn icy iha ihb ihc ihh ihi ihn ihy iia iib iic iih iii iin in- ina inb inc inh ini inn iny iya iyc iyy n-i naa nab nac nah nai nan nay nba nbb nbc nbi nbn nca ncb ncc nch nci ncn nha nhb nhc nhh nhi nhn nhy nia nib nic nih nii nin nna nnb nnc nnh nni nnn nya nyc nyn nyy yaa yab yac yah yai yan yay ybc ybi yby yca ycc ych yci ycy yha yhc yhi yih yii yin yna ynn yny yyb yyc yyy