-ic a-a a-b a-c a-i aaa aab aac aad aah aai aak ab- aba abb abc abd abh abi abk ac- aca acb acc acd ach aci ack ad- ada adb adc add adh adi adk aha ahb ahc ahd ahh ahi ahk ai- aia aib aic aid aih aii aik aka akb akc akd akh aki akk baa bab bac bad bah bai bak bba bbb bbc bbd bbh bbi bbk bca bcb bcc bcd bch bci bck bda bdb bdc bdd bdh bdi bdk bha bhb bhc bhd bhh bhi bhk bi- bia bib bic bid bih bii bik bka bkb bkc bkk c-- caa cab cac cad cah cai cak cba cbb cbc cbd cbh cbi cbk cca ccb ccc ccd cch cci cck cda cdb cdc cdd cdh cdi cdk ch- cha chb chc chd chh chi chk ci- cia cib cic cid cih cii cik cka ckb ckc ckd ckh cki daa dab dac dad dah dai dak dba dbb dbc dbd dbh dbi dbk dca dcb dcc dcd dci dck dda ddb ddc ddd ddh ddi ddk dh- dha dhb dhc dhd dhh dhi dhk di- dia dib dic did dih dii dik dka dkb dkc dki dkk h-i haa hab hac had hah hai hak hba hbb hbc hbd hbh hbi hbk hca hcb hcc hcd hch hci hck hda hdb hdc hdd hdh hdi hdk hha hhb hhc hhd hhh hhi hhk hia hib hic hid hih hii hik hka hkb hkd hkh hki hkk i-d ia- iaa iab iac iad iah iai iba ibb ibc ibd ibh ibi ibk ica icb icc icd ich ici ick ida idb idc idd idh idi idk iha ihb ihc ihd ihh ihi ihk iia iib iic iid iih iii ika ikb ikc iki ikk ka- kaa kab kac kad kah kai kak kba kbb kbc kbd kbh kbi kbk kca kcb kcc kcd kch kci kck kda kdb kdc kdh kdk kha khh khi khk kia kib kic kid kih kii kik kkb kkc kkh kki kkk