-ing bbbb bbbs bbci bbin bbng bbrc bbrg bcbc bcbg bcbs bccc bcci bccs bcgs bcis bcrs bcsc bcsn bcss bggs bibb bibi bibs bicc bicg bici bics bigb bigc bigg bign bigs biin biis bin- binc bing bini binn bins birb birg biri birn birr birs bis- bisc biss bnib bnin bnrr bnss brcb bric brig brin bris brns brrr brrs brsb brsr bsci bscs bsgs bsic bsin bsns bssc cbbc cbbs cbcc cbcn cbcr cbcs cbgb cbir cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccs ccgc ccgs ccic ccii ccir ccis ccnb ccnc ccni ccnr ccns ccrc ccrg ccri ccrs ccsg ccsi ccsn ccss cgcc cgcg cggs cgis cgns cgsb cgss cibc cibi cicc cici cicr cics cigi cigs ciii ciis cin- cinc cing cini cirb circ ciri cirr cirs cis- cisc cisn cisr ciss cnbc cnci cngi cnib cnic cnrc cnrr cnss crbc crcc crcr crgs crib cric crig crin cris crns crss cscb cscc csci cscr cscs csgn csib csir csis csrc csrs cssr gbbs gc-c gcbc gccc gccs gcic gcii gcrg gcss gggg ggrn ggss gibb gibs gicr gigg gigi gign gigs giis ging gini ginn gins girg giri girn girr girs giss gncc gngc gnib gnin gnrc gnrr grbr grcc grib gric grig grin gris grni grrr grrs grss gsis ibcs ibis ibns ibrc ibri ibsn ibss icbc icbs iccb iccc icci iccn iccr iccs icgc icis icnb icnc icns icrc icrr icrs icsb icsc icsi icsr icss igbc igcc iggs igis igni igns igri iiii iiis iirc iirs iisc iisi iisr incb inci incr incs ings inig inis inni innr inns inri inrs insc inss ircc ircg ircs irgs iri- iric irig irin iris irrc irri irrs irsg isbn iscc isci iscn iscr iscs isgc isic isin isis isrg isri issc issi issr isss n-ii nbbc nbcc nbci nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs ncgr ncgs ncis ncnc ncrc ncri ncsc ncsi ncss ngic ngns ngri ngsn nibi nibs nicc nici nics nigc nigg nigs niir ning nini nins nirs nisi niss nngn nnnn nnss nrcs nric nrrc nrsc nscc nscs nsic nsin nsis nsnr nsrc nssb nssc nssr nsss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcgc rcic rcis rcnr rcrg rcsc rcsi rcss rgbi rib- ribs ricc rics rigg rigi rigs riin riis ring rinn riri rirs risc risi riss rnbr rncs rngs rnin rrrr rsbi rscc rscn rscs rsgb rsgc rsis rsnn rsnr s-ib s-ic s-ii sbbs sbcc sbcs sbic sbig sbsi scbi sccc sccs scgs sci- scic scin scir scis scnr scr- scrc scri scrn scrs scsc scsi scsn scsr sgcb sgcg sggg sggs sgic sgss sibc sibi sibs sicc sici sics sigg sigi sign sigs sing sini sinn sins sirc siri sirr sirs sisc sisi siss sncc snib snig snir snns snrs srbc srcc srgb srib sris srni srnn ssbn ssbr sscc ssci sscs ssgs ssin ssis ssns ssrc ssrg ssri ssrs sssb sssc sssi ssss