iseo iser ises ishe ishi ishr ishs isic isie isis iso- isoc isor isos isri issc isse issh issi isso issr isss issu isuh isus iucc iuce iuds iuiu iusd iuse iuss o-eo occc occi ocds oce oced ocee oche ochi ochs ocis ocos ocre ocro ocrr ocrs ocur odci oddd oddi odds oded odei odeo oder odes odic odie odio odir odis odiu odoh odoo odor odos odou odso odur odus oec- oecc oedo oeds oeec oeid oere oers oese ohcc ohed ohee oher ohhi ohho ohhs ohid ohio ohis ohoh ohos ohre ohso ohss ohus oici oido oids oier oies oiii oios oire oisc oisd oise oisu oocr oodi ooer ooes ooho oohs ooid oooh oooo ooos oord oore oose oosi oous orce orch orci orco orcs orde ordo ords ordu ore- orec ored oreh oreo orer ores orhe orhs ori- oric orid orie orio oris oro- oroe oror oros orri orro orrs orse orsi orso orsu orus oscc osce osci osco osdi osec osed osee oseh osei oser oses oshc oshe oshi osho oshs oshu osie osii osis osoi osoo osor osos osrd osro ossd osse ossi osso ossu oucc ouch oudc oude oudh ouds oued ouer ouie ouii ouir ouis our- oure ouro ours ousd ouse ouu- rccc rccs rcdc rcde rcds rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rder rdhs rdio rdoc rdos rdso recc recd rece rech reci recr recs recu redc redd rede redh redi redo redr reds redu reed rees rehe rehi rehs reid reii reir reis reiu reod reos reou rerd rere reri rero rers reru rese resh resi reso ress reue reus reuu rhce rhee rheo rhes rhhs rhio rhoc rhod rhoh rhos rhue rhus ricc rice rich rico rics ridc ridd ride ridi rido rids ried rier ries rieu riho rihs riis rios riou rire riri rirs risc risd rise rish risi riso riss risu riue rius rocc roce roch roco rocs rodd rode rodi rodo rods roed roer roes rohe rohr rohs rohu roid roio roir rois roiu rood rooi roor roos rorc rore rori roro roru rosc rose rosh rosi roso ross roud roue rouh rous rred rrhs rrrr rscc rsch rscs rsdd rsds rsee rshd rshs rsid rsis rsos rsre ruce ruch ruci rudd rude rudi rudo ruds rued ruer rues ruhe ruhh ruhi ruhr ruhs ruid ruis rurc rurd rure ruri ruro rurs ruru ruse rush rusi ruso russ rusu ruud s-ic s-ii s-os sccc scce sccs scdc scds scec scee scer sch- sche schh schi scho schr schs sci- scic scid scie scio scir scis scoh scoo scor scr- scrc scre scri scrs scsc scsd scsh scsi scso scsr scsu scud scur sdcc sdch sdco sddc sdds sder sdes sdhd sdhs sdic sdio sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-h se-i se-o se-s se-u sec- secc secd sece sech seco secr secs secu sede sedo seds seec seed seeh seer sees seeu sehe sehr sehs seid seie seih seii seir seis seiu seoc seod seoi serc serd sere seri sero serr sers seru sesc sese sesh sesi seso sess seui seur shcc she- shed shee sheh sheo sher shes sheu shhh shhs shid shie shih shii shio shir shis shiu shod shoe shoo shor shos shou shre shri shrs shsc shud shue shui shur shus shuu sicc sice sich sici sico sics sicu sidd side sidh sidi sido sidr sids siec sied sier sies sihi sihr sihs sihu siod sioe sior sios siou sirc sire siri siro sirr sirs siru sisc sisd sise sish sisi siss sisu siue siui sius soce soch soci soco socr socs sodd sode sodo sods sodu soec soeo soes sohh soho sohs sohu soic soie soir sois sood soor soos sord sore sorh sori soro sorr sors soru sose sosh sosi soso soss soud soue sour sous srcc srch srde srec sreo sres srhs sris sros srsd sscc ssce ssci sscs ssdc ssdd ssec ssee sses sshs ssid ssis ssoc ssrc ssri ssrs sssc sssh sssi ssss suc- succ such suci sucr sucs sudd sude sudh sudi sudo suds sued suee suer sues sueu suhi suho suhr suid suie suio suir suis suoh suor suos sur- surc surd sure suri suro surr surs suru sus- susd suse susi suso suss susu suus u-ie ucci ucdc ucdd uces uche uchi ucho uchs ucio ucos ucrc ucsc ucsd ucsu uddi udds uder udic udid udir udoh udoo udos udsd ueir uers uess uh-d uhde uher uhid uhoh uhrs uhss uhuh uies uirr uisd uise uocc uor- uore urch urci urde urds urdu ure- ured ureh ures urho uric urie uris uriu uro- uroo urre urrh urri urse ursi urso urss ursu urur urus uscc usce usch usco uscs usdc usde usdo usds used usee user uses ushi usho ushr ushs ushu usie usis usoc usoe usoi usos ussc usse ussr usss ussu usui usus uuoc uuri uusi uuuu