-ic a-a a-b a-c a-i aaa aab aac aai aam aao aar aav ab- aba abb abc abi abm abo abr abv ac- aca acb acc aci acm aco acr acv ai- aia aib aic aii aim aio air aiv ama amb amc ami amm amo amr amv aoa aob aoc aoi aom aoo aor aov ar- ara arb arc ari arm aro arr arv av- ava avb avc avi avm avo avr baa bab bac bai bam bao bar bav bba bbb bbc bbi bbm bbo bbr bca bcb bcc bci bcm bco bcr bcv bi- bia bib bic bii bim bio bir biv bma bmb bmc bmi bmm bmo bmr bmv boa bob boc boi bom boo bor bov bra brb bri brm bro brr brv bva bvb bvc bvi bvm bvo bvr bvv c-- caa cab cac cai cam cao car cav cba cbb cbc cbi cbm cbo cbr cbv cca ccb ccc cci ccm cco ccr ccv ci- cia cib cic cii cim cio cir civ cma cmb cmc cmi cmm cmo cmr cmv co- coa cob coc coi com coo cor cov cra crb crc cri crm cro crr crv cva cvb cvc cvi cvm cvo cvr cvv i-v ia- iaa iab iac iai iam iao iar iav iba ibb ibc ibi ibm ibo ibr ibv ica icb icc ici icm ico icr icv iia iib iic iii iim iio iir im- ima imb imc imi imm imo imv io- ioa iob ioc ioi iom ioo ior iov ir- ira irb irc iri irm iro irr irv iva ivb ivc ivi ivo ivr ivv m-o m-r m-v maa mab mac mai mam mao mar mav mba mbb mbc mbi mbm mbo mbr mbv mc- mca mcb mcc mci mcm mco mcr mcv mi- mia mib mic mii mim mio mir miv mma mmb mmc mmi mmm mmo mmr mmv moa mob moc moi mom moo mor mov mra mrb mrc mri mrm mro mrr mrv mva mvb mvc mvi mvm mvo mvr mvv o-i oaa oab oac oai oam oao oar oav ob- oba obb obc obi obm obo obr obv oc- oca ocb occ oci ocm oco ocr ocv oia oib oic oii oim oio oir oiv om- oma omb omc omi omm omo omr omv oo- ooa oob ooc ooi oom ooo oor oov or- ora orb orc ori orm oro orr orv ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rai ram rao rar rav rba rbb rbc rbi rbm rbo rbr rca rcb rcc rci rcm rco rcr rcv ria rib ric rii rim rio rir riv rma rmb rmc rmi rmm rmo rmr rmv roa rob roc roi rom roo ror rov rra rrb rrc rri rrm rrr rva rvb rvc rvi rvm rvo rvr rvv v-a vaa vab vac vai vam vao var vav vba vbc vbi vbm vbo vbr vbv vca vcc vci vcm vco vcr vi- via vib vic vii vim vio vir viv vm- vma vmc vmi vmm vmo vmr voa vob voc voi vom voo vor vov vra vrb vrc vri vrm vrr vva vvb vvc vvi vvm vvo vvr vvv