-ic a-a a-b a-c a-i aaa aab aac aad aai aam ab- aba abb abc abd abi abm ac- aca acb acc acd aci acm ad- ada adb adc add adi adm ai- aia aib aic aid aii aim ama amb amc amd ami amm baa bab bac bad bai bam bba bbb bbc bbd bbi bbm bca bcb bcc bcd bci bcm bda bdb bdc bdd bdi bdm bi- bia bib bic bid bii bim bma bmb bmc bmd bmi bmm c-- caa cab cac cad cai cam cba cbb cbc cbd cbi cbm cca ccb ccc ccd cci ccm cda cdb cdc cdd cdi cdm ci- cia cib cic cid cii cim cma cmb cmc cmd cmi cmm daa dab dac dad dai dam dba dbb dbc dbd dbi dbm dca dcb dcc dcd dci dcm dda ddb ddc ddd ddi ddm di- dia dib dic did dii dim dma dmb dmc dmd dmi dmm i-d ia- iaa iab iac iad iai iam iba ibb ibc ibd ibi ibm ica icb icc icd ici icm ida idb idc idd idi idm iia iib iic iid iii iim im- ima imb imc imd imi imm maa mab mac mad mai mam mba mbb mbc mbd mbi mbm mc- mca mcb mcc mcd mci mcm mda mdb mdc mdd mdi mdm mi- mia mib mic mid mii mim mma mmb mmc mmd mmi mmm