offo offr offs ofno ofor ohcc ohhi ohho ohhs ohif ohio ohis ohms ohno ohoh ohos ohrn ohso ohss oici oiii oins oion oios oisc oism omhs omic omim omin omio omis omn- omni omo- omoi omon omoo omor omri omro omsi omsn onc- oncf onco onic onir onis onni onno onon onor onos onsc onso oocr ooff oofs ooho oohs ooms oons oooh oooo ooos oosi orch orci orco orcs orff orfi orfs orhs ori- oric orif orin orio oris ormn ormo ornc orni orno orns oro- orof orom oron oror oros orri orro orrs orsi orso oscc osci osco oshc oshi osho oshs osii osim osin osis osm- osmo osno osnr osoi osoo osor osos osro ossi osso rccc rccs rcfc rchm rchs rcic rcis rcms rcnr rcon rcos rcsc rcsi rcss rffc rfhs rfic rhcm rhfs rhhs rhim rhin rhio rhoc rhoh rhon rhos rhsm ricc rich rico rics riff rifs riho rihs riif riin riis rimi rimm rimo rims rinf rinn rino riom rion rios riri rirs risc rish risi rism riso riss rmhs rmif rmon rmsc rnco rncs rnin rnsh rocc roch roco rocs rofc roff rofo rohm rohn rohr rohs roif roin roio roir rois romi romm romo roms ronc roni rono rons roof rooi room roon roor roos rorc rori roro rosc rosh rosi roso ross rrfc rrhs rrif rrmc rrrr rscc rsch rscn rscs rsfc rshs rsis rsnn rsno rsnr rsos s-ic s-ii s-os sccc sccm sccs scfc scfi scfm sch- schh schi scho schr schs sci- scic scif scim scin scio scir scis scmc scmm scmo scms scnr scoh scom scon scoo scor scr- scrc scri scrn scrs scsc scsh scsi scsn scso scsr sfcc sfco sfcs sffc sfhs sfio sfmm sfor sfos sfrc sfro sfss shcc shhh shhs shih shii shim shin shio shir shis shm- shmo shof shom shon shoo shor shos shri shrs shsc sicc sich sici sicm sico sics siff sifo sifr sihi sihr sihs siim simh simi simm simo sims sinh sini sinn sino sins sion sior sios sirc sirf siri siro sirr sirs sisc sish sisi siss smcc smch smfh smhs smic smif smin smis smnc smoc smof smon smos smrf smsc smsh smsn smss sncc sncf snco snhs snir snns snoc snom snoo snor snos snrs soch soci socm soco socr socs sofi sofo sohh sohm sohn soho sohs soic soif soim soin soir sois somi somm somn somo son- soni sono sons soof soom soon soor soos sorh sori sorm sorn soro sorr sors sosh sosi soso soss srcc srch srfc srfi srhs srim sris srmc srni srnn srno sros sscc ssci sscs ssfc sshs ssin ssis ssmc ssns ssoc ssrc ssri ssrm ssrs sssc sssf sssh sssi sssm ssss