-ic a-a a-b a-c a-i aaa aab aac aaf aai aam aao aav ab- aba abb abc abf abi abm abo abv ac- aca acb acc acf aci acm aco acv af- afa afb afc aff afi afm afo afv ai- aia aib aic aif aii aim aio aiv ama amb amc amf ami amm amo amv aoa aob aoc aof aoi aom aoo aov av- ava avb avc avf avi avm avo baa bab bac baf bai bam bao bav bba bbb bbc bbf bbi bbm bbo bca bcb bcc bcf bci bcm bco bcv bfa bfb bfc bff bfi bfm bfo bfv bi- bia bib bic bif bii bim bio biv bma bmb bmc bmf bmi bmm bmo bmv boa bob boc bof boi bom boo bov bva bvb bvc bvi bvm bvo bvv c-- caa cab cac caf cai cam cao cav cba cbb cbc cbf cbi cbm cbo cbv cca ccb ccc ccf cci ccm cco ccv cfa cfb cfc cff cfi cfm cfo cfv ci- cia cib cic cif cii cim cio civ cma cmb cmc cmf cmi cmm cmo cmv co- coa cob coc cof coi com coo cov cva cvb cvc cvf cvi cvm cvo cvv faa fab fac faf fai fam fao fav fba fbb fbc fbf fbi fbm fbo fca fcb fcc fcf fci fcm fco fcv ffa ffc fff ffi ffm ffo ffv fia fib fic fif fii fim fma fmb fmc fmf fmi fmm fmo fmv foa fob foc fof foi fom foo fva fvc i-f i-v ia- iaa iab iac iaf iai iam iao iav iba ibb ibc ibf ibi ibm ibo ibv ica icb icc icf ici icm ico icv ifa ifb ifc iff ifi ifm ifo iia iib iic iif iii iim iio im- ima imb imc imf imi imm imo imv io- ioa iob ioc iof ioi iom ioo iov iva ivb ivc ivf ivi ivo ivv m-f m-o m-v maa mab mac maf mai mam mao mav mba mbb mbc mbf mbi mbm mbo mbv mc- mca mcb mcc mcf mci mcm mco mcv mfa mfb mfc mff mfi mfm mfo mfv mi- mia mib mic mif mii mim mio miv mma mmb mmc mmf mmi mmm mmo mmv moa mob moc mof moi mom moo mov mva mvb mvc mvf mvi mvm mvo mvv o-i oaa oab oac oaf oai oam oao oav ob- oba obb obc obf obi obm obo obv oc- oca ocb occ ocf oci ocm oco ocv of- ofa ofb ofc off ofi ofm ofo ofv oia oib oic oif oii oim oio oiv om- oma omb omc omf omi omm omo omv oo- ooa oob ooc oof ooi oom ooo oov ov- ova ovb ovc ovf ovi ovo ovv v-a vaa vab vac vai vam vao vav vba vbc vbi vbm vbo vbv vca vcc vcf vci vcm vco vfa vfb vfc vff vfi vfm vfv vi- via vib vic vif vii vim vio viv vm- vma vmc vmf vmi vmm vmo voa vob voc vof voi vom voo vov vva vvb vvc vvi vvm vvo vvv