cofi cofs cogi cogo cogs coif coir cois coob coof coos cor- corb corc corf corg cori coro corr cors cosc cosi coso coss coub cour cous crbc crbu crcc crcr crfc crfs crgs crib cric crif crig cris criu crob croc croo cror crss crub crug crus csbf cscb cscc cscf csci csco cscr cscs csfc csfr csib csio csir csis csob csor csos csrc csrs cssr csuf csur csus cub- cubb cubi cubs cucc cuci cufc cuff cufi cufo cui- cuif cuir cuis curb curf curi curo curr curs cusb cusg cuso cuss cusu fbis fbrs fbus fcbs fccf fcgs fcic fcii fcsc ffcc ffff ffii ffrr ffss fgcs fibs ficc fico fics fifc fiff fifi fifo figc figg figo figs fiii fior fios firs fisc fisi fiss fisu fobs foci foco focs fofo fogg fogi fogo fogs fois foof foos for- forb forg fori foro forr fors fosb fosi foso foss foug four fous frbc frcc frfc frib fric frig frio fris frob frog fros frou frsb frsc frso frub frug fscb fscc fsfi fsfo fsgs fssc fssf fubb fubs fubu fuc- fuci fufc fuff fufu fugi fugo fugs fugu fuig fuir fuor fur- furg furi furo furr furs fusc fusi fuso fuss fusu gbbo gbbs gbfc gc-c gcbc gccc gccf gccs gcfc gcic gcii gcos gcrg gcss gcsu gfcf gfci gfor ggfg gggg ggss gibb gibs gicr giff gifs gifu gigg gigi gigo gigs giis giog gioi girg giri giro girr girs giru giss giur gius gobi gobo gobs gocr goff gofr gofu gogi gogo gogs goif gois goof goog gooi goor goos gorb gorf gorg gori goro gorr gors gosi goso goss gosu gou- gouf goug gour gous grbr grcc grib gric grif grig gris grob groc grof grog groi groo gror gros grou grrr grrs grss grub gruf grug grui grur grus gsfc gsif gsis gsoc gsos gsur gubb gubi gubs gubu guci gufc guff gugb gugg gugi gugu guib guis guos gurb gurg guri guro gurr gurs guru gusb guss guus i-go ibcs ibfi ibis ibos ibrc ibri ibro ibsf ibss ibus icbc icbs iccb iccc iccf icci icco iccr iccs iccu icfb icgc icis icoc icor icos icrc icrf icrr icrs icru icsb icsc icsi icsr icss icub icus ifbb ifco ific ifis ifor ifrb ifrf ifri ifsb ifsc ifso igbc igbo igcc igfc iggs igis igoo igor igri igso igus iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iisu iiuc iobi iocg ioci iofc ioii ioio ioof iooi iooo ioos iorg iori iors ioso iosu ioug ious ircc ircg ircs ircu irfu irgs iri- iric irig irio iris irob iroc irrc irri irrs irsf irsg irus iscc isci isco iscr iscs iscu isfc isgc isic isis iso- isoc isof isor isos isrg isri issc issf issi isso issr isss issu isus iucc iugs iuiu iuss obbo obis oboi obor obos obri obro obsr obss obus ocbc occc occi ocis ocos ocro ocrr ocrs ocur ofcr off- offc offo offr offs offu ofgo ofor ofus ogb ogfr oggi ogog ogoi ogou ogri ogro ogsi ogui ogus oici oigo oiii oios oisc oisu oobi oocr ooff oofs oooo ooos oosi oous orbb orbi orbo orbs orbu orci orco orcs orff orfi orfs orfu orgo orgs ori- oric orif orig orio oris oro- orof oror oros orri orro orrs orsi orso orsu orub orus oscc osci osco osgi osii osis osoi osoo osor osos osro ossb ossi osso ossu oubs oucc oufc ouff ouii ouir ouis our- ouro ours ouu- rbbb rbbr rbbs rbis rbss rcbc rcbo rccb rccc rccs rcfc rcgc rcic rcis rcos rcrg rcsc rcsi rcss rffc rfgs rfic rgbi rib- ribo ribs ribu ricc rico rics riff rifs rifu rigg rigi rigo rigs rigu riif riis rios riou riri rirs risc risi riso riss risu rius rob- robb robi robo robs robu rocc roco rocs rofc roff rofo rogg rogi rogo roif roig roio roir rois roiu roob roof roog rooi roor roos rorc rori roro roru rosc rosi roso ross roub rouf rous rrfc rrif rrrr rsbi rscc rscs rsfc rsgb rsgc rsis rsos rubb rubi rubs rubu ruci rufc ruff rufo rugg rugi rugs ruif ruis rurc ruri ruro rurs ruru rusi ruso russ rusu s-ib s-ic s-ii s-os sbbs sbcc sbcs sbfc sbic sbig sbor sbsi sbus scbi sccc sccs scfc scfg scfi scgs sci- scic scif scio scir scis scob scog scoo scor scr- scrc scri scrs scsc scsi scso scsr scsu scub scug scur sfbc sfcc sfcg sfco sfcs sffc sfio sfog sfor sfos sfrc sfro sfss sfsu sgcb sgcg sggg sggs sgic sgio sgro sgss sibc sibi sibo sibs sibu sicc sici sico sics sicu siff sifo sifr sifu sigg sigi sigo sigs sior sios siou sirc sirf siri siro sirr sirs siru sisc sisi siss sisu siui sius sobo sobr sobs sobu soci soco socr socs sofi sofo sogi sogo sogs soic soif soir sois soof soog soor soos sorb sorg sori soro sorr sors soru sosi soso soss souf sour sous srbc srcc srfc srfi srgb srib sris sros srub ssbr sscc ssci sscs ssfc ssgs ssis ssoc ssrc ssrg ssri ssrs sssb sssc sssf sssi ssss sub- subb subg subi subo subs suc- succ suci sucr sucs suf- sufc suff sufi sufr sufs sufu sug- sugg sugi sugo suig suio suir suis suor suos sur- surc surf surg suri suro surr surs suru sus- susi suso suss susu suus ubbi ubbo ubic ubii ubir ubis uboc ubos ucbc ucci ucfb ucio ucos ucrc ucsb ucsc ucsf ucsu ufcu ufos ugcc ugcg uggo uggs ugis ugos ugri ugro ugur uguu uirr uocc uofg uofo uor- urbi urbs urci urff urfi urgi urgu urib uric urif uris uriu uro- uroo urri ursi urso urss ursu urur urus usbc usbr usbs uscc uscf uscg usco uscs usfc usfi usfs usgo usif usis usoc usog usoi usos ussb ussc ussf ussr usss ussu usui usus uuoc uuri uusi uuuu

bbsrc bbuss bfrog