mss o-i oaa oac oad oae oag oai oal oam oao oap oas oc- oca occ ocd ocg oci ocl ocm oco ocp ocs oda odc odd ode odg odi odl odm odo odp ods oea oec oed oee oeg oei oel oem oeo oep oes oga ogc ogd oge ogg ogi ogl ogo ogp ogs oia oic oid oie oii oil oim oio oip ois ola olc old ole olg oli oll olm olo olp ols om- oma omc omd ome omg omi oml omm omo omp oms oo- ooa ooc ood oog ooi ool oom ooo oop oos op- opa opc opd ope opg opi opl opm opo opp ops os- osa osc osd ose osg osi osl osm oso osp oss p-p paa pac pad pae pag pai pal pam pao pap pas pca pcc pcd pce pcg pci pcl pcm pco pcp pcs pda pdc pdd pde pdg pdi pdl pdm pdo pdp pds pea pec ped pee peg pei pel pem peo pep pes pga pgc pgd pge pgg pgi pgl pgm pgo pgp pgs pia pic pid pie pig pii pil pim pio pip pis pla plc pld ple plg pli pll plm plo plp pls pma pmc pmd pme pmg pmi pml pmm pmo pmp pms poa poc pod poe pog poi pol pom poo pop pos ppa ppc ppd ppe ppg ppi ppl ppm ppo ppp pps ps- psa psc psd pse psg psi psl psm pso psp pss saa sac sad sae sag sai sal sam sao sap sas sca scc scd sce scg sci scl scm sco scp scs sda sdc sdd sde sdg sdi sdl sdm sdo sdp sds se- sea sec sed see seg sei sel sem seo sep ses sga sgc sgd sge sgg sgi sgl sgm sgo sgp sgs sia sic sid sie sig sii sil sim sio sip sis sla slc sld sle slg sli sll slm slo slp sls sma smc smd sme smg smi sml smm smo smp sms soa soc sod soe sog soi sol som soo sop sos spa spc spd spe spg spi spl spm spo spp sps ss- ssa ssc ssd sse ssg ssi ssl ssm sso ssp sss