-ic a-a a-c a-i aaa aac aai aam aan aao aar aax ac- aca acc aci acm acn aco acr acx ai- aia aic aii aim ain aio air aix ama amc ami amm amn amo amr amx an- ana anc ani anm ann ano anr anx aoa aoc aoi aom aon aoo aor aox ar- ara arc ari arm arn aro arr arx ax- axa axi axm axn axo axr axx c-- caa cac cai cam can cao car cax cca ccc cci ccm ccn cco ccr ccx ci- cia cic cii cim cin cio cir cix cma cmc cmi cmm cmn cmo cmr cmx cn- cna cnc cni cnm cnn cno cnr cnx co- coa coc coi com con coo cor cox cra crc cri crm crn cro crr crx cxc cxi cxo cxr cxx ia- iaa iac iai iam ian iao iar ica icc ici icm icn ico icr iia iic iii iim iin iio iir iix im- ima imc imi imm imn imo imx in- ina inc ini inm inn ino inr inx io- ioa ioc ioi iom ion ioo ior ir- ira irc iri irm irn iro irr irx ixc ixi ixn m-o m-r maa mac mai mam man mao mar max mc- mca mcc mci mcm mcn mco mcr mcx mi- mia mic mii mim min mio mir mix mma mmc mmi mmm mmn mmo mmr mmx mna mnc mni mnm mnn mno mnr moa moc moi mom mon moo mor mox mra mrc mri mrm mrn mro mrr mrx mxa mxc mxi mxn mxr n-i naa nac nai nam nan nao nar nax nca ncc nci ncm ncn nco ncr ncx nia nic nii nim nin nio nir nix nma nmc nmi nmm nmn nmo nmr nna nnc nni nnm nnn nno no- noa noc noi nom non noo nor nox nra nrc nri nrm nrn nro nrr nrx nxc o-i oaa oac oai oam oan oao oar oax oc- oca occ oci ocm ocn oco ocr ocx oia oic oii oim oin oio oir om- oma omc omi omm omn omo omr omx on- ona onc oni onn ono onr onx oo- ooa ooc ooi oom oon ooo oor oox or- ora orc ori orm orn oro orr orx ox- oxa oxc oxi oxn oxo oxx ra- raa rac rai ram ran rao rar rax rca rcc rci rcm rcn rco rcr rcx ria ric rii rim rin rio rir rix rma rmc rmi rmm rmn rmo rmr rmx rna rnc rni rnm rnn rno rnr roa roc roi rom ron roo ror rox rra rrc rri rrm rrn rrr rxr xaa xac xam xan xar xci xcr xcx xia xic xii xin xio xix xma xmc xmi xmm xmo xmr xmx xna xnc xno xoa xoc xoi xom xon xoo xor xox xrc xrx xxi xxo xxx