-ic a-a a-b a-c a-i aaa aab aac aad aai aam aan aao ab- aba abb abc abd abi abm abn abo ac- aca acb acc acd aci acm acn aco ad- ada adb adc add adi adm adn ado ai- aia aib aic aid aii aim ain aio ama amb amc amd ami amm amn amo an- ana anb anc and ani anm ann ano aoa aob aoc aod aoi aom aon aoo baa bab bac bad bai bam ban bao bba bbb bbc bbd bbi bbm bbn bbo bca bcb bcc bcd bci bcm bcn bco bda bdb bdc bdd bdi bdm bdo bi- bia bib bic bid bii bim bin bio bma bmb bmc bmd bmi bmm bmn bmo bna bnb bnc bnd bni bnn bno boa bob boc bod boi bom bon boo c-- caa cab cac cad cai cam can cao cba cbb cbc cbd cbi cbm cbn cbo cca ccb ccc ccd cci ccm ccn cco cda cdb cdc cdd cdi cdm cdn cdo ci- cia cib cic cid cii cim cin cio cma cmb cmc cmd cmi cmm cmn cmo cn- cna cnb cnc cnd cni cnm cnn cno co- coa cob coc cod coi com con coo daa dab dac dad dai dam dan dao dba dbb dbc dbd dbi dbm dbn dbo dca dcb dcc dcd dci dcm dcn dco dda ddb ddc ddd ddi ddm ddn ddo di- dia dib dic did dii dim din dio dma dmb dmc dmd dmi dmm dmn dmo dna dnb dnc dnd dni dnm dnn dno doa dob doc dod doi dom don doo i-d ia- iaa iab iac iad iai iam ian iao iba ibb ibc ibd ibi ibm ibn ibo ica icb icc icd ici icm icn ico ida idb idc idd idi idm idn ido iia iib iic iid iii iim iin iio im- ima imb imc imd imi imm imn imo in- ina inb inc ind ini inm inn ino io- ioa iob ioc iod ioi iom ion ioo m-o maa mab mac mad mai mam man mao mba mbb mbc mbd mbi mbm mbo mc- mca mcb mcc mcd mci mcm mcn mco mda mdb mdc mdd mdi mdm mdn mdo mi- mia mib mic mid mii mim min mio mma mmb mmc mmd mmi mmm mmn mmo mna mnb mnc mni mnm mnn mno moa mob moc mod moi mom mon moo n-i naa nab nac nad nai nam nan nao nba nbb nbc nbd nbi nbm nbn nbo nca ncb ncc ncd nci ncm ncn nco nda ndb ndc ndd ndi ndm ndn ndo nia nib nic nid nii nim nin nio nma nmb nmc nmd nmi nmm nmn nmo nna nnb nnc nni nnm nnn nno no- noa nob noc nod noi nom non noo o-i oaa oab oac oad oai oam oan oao ob- oba obb obc obd obi obm obn obo oc- oca ocb occ ocd oci ocm ocn oco oda odb odc odd odi odm odn odo oia oib oic oid oii oim oin oio om- oma omb omc omd omi omm omn omo on- ona onb onc ond oni onn ono oo- ooa oob ooc ood ooi oom oon ooo