-ic a-a a-b a-c a-i aaa aab aac aad aae aah aai ab- aba abb abc abd abe abh abi ac- aca acb acc acd ace ach aci ad- ada adb adc add ade adh adi aea aeb aec aed aee aeh aei aha ahb ahc ahd ahe ahh ahi ai- aia aib aic aid aie aih aii baa bab bac bad bae bah bai bba bbb bbc bbd bbe bbh bbi bca bcb bcc bcd bce bch bci bda bdb bdc bdd bde bdh bdi be- bea beb bec bed bee beh bei bha bhb bhc bhd bhe bhh bhi bi- bia bib bic bid bie bih bii c-- caa cab cac cad cae cah cai cba cbb cbc cbd cbe cbh cbi cca ccb ccc ccd cce cch cci cda cdb cdc cdd cde cdh cdi ce- cea ceb cec ced cee ceh cei ch- cha chb chc chd che chh chi ci- cia cib cic cid cie cih cii daa dab dac dad dae dah dai dba dbb dbc dbd dbe dbh dbi dca dcb dcc dcd dce dci dda ddb ddc ddd dde ddh ddi de- dea deb dec ded dee deh dei dh- dha dhb dhc dhd dhe dhh dhi di- dia dib dic did die dih dii eaa eab eac ead eae eah eai eba ebb ebc ebd ebe ebh ebi ec- eca ecb ecc ecd ece ech eci ed- eda edb edc edd ede edh edi eea eeb eec eed eee eha ehb ehc ehd ehe ehh ehi eia eib eic eid eie eii h-i haa hab hac had hae hah hai hba hbb hbc hbd hbe hbh hbi hca hcb hcc hcd hce hch hci hda hdb hdc hdd hde hdh hdi he- hea heb hec hed hee heh hei hha hhb hhc hhd hhe hhh hhi hia hib hic hid hie hih hii i-d ia- iaa iab iac iad iae iah iai iba ibb ibc ibd ibe ibh ibi ica icb icc icd ice ich ici ida idb idc idd ide idh idi ie- iea iec ied iee iei iha ihb ihc ihd ihe ihh ihi iia iib iic iid iie iih iii