oad oae oag oai oam oan oao oar oas oc- oca occ ocd ocg oci ocm ocn oco ocr ocs oda odc odd ode odg odi odm odn odo odr ods oea oec oed oee oeg oei oem oen oeo oer oes oga ogc ogd oge ogg ogi ogn ogo ogs oia oic oid oie oii oim oin oio oir ois om- oma omc omd ome omg omi omm omn omo omr oms on- ona onc ond one ong oni onn ono onr ons oo- ooa ooc ood oog ooi oom oon ooo oor oos or- ora orc ord ore org ori orm orn oro orr ors os- osa osc osd ose osg osi osm osn oso osr oss ra- raa rac rad rae rag rai ram ran rao rar ras rca rcc rcd rce rcg rci rcm rcn rco rcr rcs rda rdc rdd rde rdg rdi rdm rdn rdo rdr rds re- rea rec red ree reg rei rem ren reo rer res rga rgc rgd rge rgg rgi rgn rgo rgr rgs ria ric rid rie rig rii rim rin rio rir ris rma rmc rmd rme rmg rmi rmm rmn rmo rmr rms rna rnc rnd rng rni rnm rnn rno rnr rns roa roc rod roe rog roi rom ron roo ror ros rra rrc rrd rrg rri rrm rrn rrr rrs rsa rsc rsd rse rsg rsi rsm rsn rso rsr rss saa sac sad sae sag sai sam san sao sar sas sca scc scd sce scg sci scm scn sco scr scs sda sdc sdd sde sdg sdi sdm sdn sdo sdr sds se- sea sec sed see seg sei sem sen seo ser ses sga sgc sgd sge sgg sgi sgm sgn sgo sgr sgs sia sic sid sie sig sii sim sin sio sir sis sma smc smd sme smg smi smm smn smo smr sms sna snc snd sne sng sni snm snn sno snr sns soa soc sod soe sog soi som son soo sor sos sr- sra src srd sre srg sri srm srn sro srr srs ss- ssa ssc ssd sse ssg ssi ssm ssn sso ssr sss