sbbs sbcc sbcs sbds sbef sber sbfc sbhc sbhs sbic sbor sbsd sbse sbsi scbi sccc scce sccs scdc scdf scds scec scee scer scfc scfe scfi sch- sche schh schi scho schr schs sci- scic scid scie scif scio scir scis scob scoh scoo scor scr- scrc scre scri scrs scsc scsd scsh scsi scso scsr sdcc sdch sdco sddc sdds sdef sder sdes sdfc sdhb sdhd sdhs sdib sdic sdif sdio sdrc sdrs sdsc sdsf sdss se-c se-d se-e se-f se-h se-i se-o se-s sebe sebi sebo sebs sec- secc secd sece sech seco secr secs sede sedo seds seeb seec seed seef seeh seer sees seff sefi sehe sehr sehs seid seie seif seih seii seir seis seoc seod seoi serb serc serd sere serf seri sero serr sers sesc sese sesh sesi seso sess sfbc sfcc sfco sfcs sfdc sfer sffc sfhs sfio sfor sfos sfrc sfro sfss shbs shcc she- sheb shed shee shef sheh sheo sher shes shhh shhs shib shid shie shih shii shio shir shis shod shoe shof shoo shor shos shre shri shrs shsc sibc sibe sibi sibo sibs sicc sice sich sici sico sics sidd side sidh sidi sido sidr sids siec sied sief sier sies sife siff sifo sifr sihi sihr sihs siod sioe sior sios sirc sire sirf siri siro sirr sirs sisc sisd sise sish sisi siss sobe sobo sobr sobs soce soch soci soco socr socs sodd sode sodo sods soec soeo soes sofi sofo sohh soho sohs soic soie soif soir sois sood soof soor soos sorb sord sore sorh sori soro sorr sors sose sosh sosi soso soss srbc srcc srch srde sreb srec sreo sres srfc srfi srhs srib sris sros srsd ssbr sscc ssce ssci sscs ssdc ssdd ssdf ssec ssee sses ssfc sshs ssid ssis ssoc ssrc ssri ssrs sssb sssc sssf sssh sssi ssss