-ic a-a a-c a-i aaa aac aai aam aao aap aas aax ac- aca acc aci acm aco acp acs acx ai- aia aic aii aim aio aip ais aix ama amc ami amm amo amp ams amx aoa aoc aoi aom aoo aop aos aox ap- apa apc api apm apo app aps apx as- asa asc asi asm aso asp ass asx ax- axa axi axm axo axp axs axx c-- caa cac cai cam cao cap cas cax cca ccc cci ccm cco ccp ccs ccx ci- cia cic cii cim cio cip cis cix cma cmc cmi cmm cmo cmp cms cmx co- coa coc coi com coo cop cos cox cpa cpc cpi cpm cpo cpp cps cpx csa csc csi csm cso csp css csx cxc cxi cxo cxp cxs cxx ia- iaa iac iai iam iao iap ias ica icc ici icm ico icp ics iia iic iii iim iio iip iis iix im- ima imc imi imm imo imp ims imx io- ioa ioc ioi iom ioo iop ios ipa ipc ipi ipm ipo ipp ips ipx is- isa isc isi ism iso isp iss ixc ixi m-o maa mac mai mam mao map mas max mc- mca mcc mci mcm mco mcp mcs mcx mi- mia mic mii mim mio mip mis mix mma mmc mmi mmm mmo mmp mms mmx moa moc moi mom moo mop mos mox mpa mpc mpi mpm mpo mpp mps mpx msa msc msi msm mso msp mss msx mxa mxc mxi mxp mxs o-i oaa oac oai oam oao oap oas oax oc- oca occ oci ocm oco ocp ocs ocx oia oic oii oim oio oip ois om- oma omc omi omm omo omp oms omx oo- ooa ooc ooi oom ooo oop oos oox op- opa opc opi opm opo opp ops opx os- osa osc osi osm oso osp oss osx ox- oxa oxc oxi oxo oxx p-p paa pac pai pam pao pap pas pax pca pcc pci pcm pco pcp pcs pcx pia pic pii pim pio pip pis pix pma pmc pmi pmm pmo pmp pms pmx poa poc poi pom poo pop pos pox ppa ppc ppi ppm ppo ppp pps ppx ps- psa psc psi psm pso psp pss psx pxc pxm pxs saa sac sai sam sao sap sas sax sca scc sci scm sco scp scs scx sia sic sii sim sio sip sis six sma smc smi smm smo smp sms smx soa soc soi som soo sop sos sox spa spc spi spm spo spp sps spx ss- ssa ssc ssi ssm sso ssp sss ssx sxc sxi sxm sxs xaa xac xam xap xas xci xcp xcx xia xic xii xio xis xix xma xmc xmi xmm xmo xmp xms xmx xoa xoc xoi xom xoo xop xos xox xpa xpc xpm xpo xpp xps xsa xsc xsi xsm xsp xss xxi xxo xxp xxx