-ic a-a a-c a-i aaa aac aai aam aao aap aas ac- aca acc aci acm aco acp acs ai- aia aic aii aim aio aip ais ama amc ami amm amo amp ams aoa aoc aoi aom aoo aop aos ap- apa apc api apm apo app aps as- asa asc asi asm aso asp ass c-- caa cac cai cam cao cap cas cca ccc cci ccm cco ccp ccs ci- cia cic cii cim cio cip cis cma cmc cmi cmm cmo cmp cms co- coa coc coi com coo cop cos cpa cpc cpi cpm cpo cpp cps csa csc csi csm cso csp css ia- iaa iac iai iam iao iap ias ica icc ici icm ico icp ics iia iic iii iim iio iip iis im- ima imc imi imm imo imp ims io- ioa ioc ioi iom ioo iop ios ipa ipc ipi ipm ipo ipp ips is- isa isc isi ism iso isp iss m-o maa mac mai mam mao map mas mc- mca mcc mci mcm mco mcp mcs mi- mia mic mii mim mio mip mis mma mmc mmi mmm mmo mmp mms moa moc moi mom moo mop mos mpa mpc mpi mpm mpo mpp mps msa msc msi msm mso msp mss o-i oaa oac oai oam oao oap oas oc- oca occ oci ocm oco ocp ocs oia oic oii oim oio oip ois om- oma omc omi omm omo omp oms oo- ooa ooc ooi oom ooo oop oos op- opa opc opi opm opo opp ops os- osa osc osi osm oso osp oss p-p paa pac pai pam pao pap pas pca pcc pci pcm pco pcp pcs pia pic pii pim pio pip pis pma pmc pmi pmm pmo pmp pms poa poc poi pom poo pop pos ppa ppc ppi ppm ppo ppp pps ps- psa psc psi psm pso psp pss saa sac sai sam sao sap sas sca scc sci scm sco scp scs sia sic sii sim sio sip sis sma smc smi smm smo smp sms soa soc soi som soo sop sos spa spc spi spm spo spp sps ss- ssa ssc ssi ssm sso ssp sss