-ic a-a a-b a-c a-i aaa aab aac aai aam aao aav aax ab- aba abb abc abi abm abo abv abx ac- aca acb acc aci acm aco acv acx ai- aia aib aic aii aim aio aiv aix ama amb amc ami amm amo amv amx aoa aob aoc aoi aom aoo aov aox av- ava avb avc avi avm avo avx ax- axa axi axm axo axv axx baa bab bac bai bam bao bav bax bba bbb bbc bbi bbm bbo bbx bca bcb bcc bci bcm bco bcv bcx bi- bia bib bic bii bim bio biv bix bma bmb bmc bmi bmm bmo bmv bmx boa bob boc boi bom boo bov box bva bvb bvc bvi bvm bvo bvv bxb bxi bxm bxo bxx c-- caa cab cac cai cam cao cav cax cba cbb cbc cbi cbm cbo cbv cbx cca ccb ccc cci ccm cco ccv ccx ci- cia cib cic cii cim cio civ cix cma cmb cmc cmi cmm cmo cmv cmx co- coa cob coc coi com coo cov cox cva cvb cvc cvi cvm cvo cvv cvx cxc cxi cxo cxv cxx i-v ia- iaa iab iac iai iam iao iav iba ibb ibc ibi ibm ibo ibv ibx ica icb icc ici icm ico icv iia iib iic iii iim iio iix im- ima imb imc imi imm imo imv imx io- ioa iob ioc ioi iom ioo iov iva ivb ivc ivi ivo ivv ivx ixc ixi m-o m-v maa mab mac mai mam mao mav max mba mbb mbc mbi mbm mbo mbv mbx mc- mca mcb mcc mci mcm mco mcv mcx mi- mia mib mic mii mim mio miv mix mma mmb mmc mmi mmm mmo mmv mmx moa mob moc moi mom moo mov mox mva mvb mvc mvi mvm mvo mvv mxa mxc mxi o-i oaa oab oac oai oam oao oav oax ob- oba obb obc obi obm obo obv obx oc- oca ocb occ oci ocm oco ocv ocx oia oib oic oii oim oio oiv om- oma omb omc omi omm omo omv omx oo- ooa oob ooc ooi oom ooo oov oox ov- ova ovb ovc ovi ovo ovv ox- oxa oxb oxc oxi oxo oxx v-a vaa vab vac vai vam vao vav vax vba vbc vbi vbm vbo vbv vca vcc vci vcm vco vcx vi- via vib vic vii vim vio viv vix vm- vma vmc vmi vmm vmo vmx voa vob voc voi vom voo vov vox vva vvb vvc vvi vvm vvo vvv vxa vxv xaa xac xam xav xbc xbx xcb xci xcv xcx xia xic xii xio xiv xix xma xmc xmi xmm xmo xmx xoa xoc xoi xom xoo xov xox xvi xxi xxo xxv xxx