bbbb bbbs bbci bbin bcbc bcbs bccc bcci bccs bcis bcos bcsc bcsn bcss bibb bibi bibo bibs bicc bici bico bics biin biis bin- binc bini binn bino bins bio- bioc bioi bion bios bis- bisc biso biss bnib bnin bnoc bnss bobb bobi bobo bobs boco bocs boi- boii boin bois bonc boni bonn bono bons boob booc boon boos bosc bosi bosn boso boss bsci bscs bsic bsin bsns bson bsos bssc c-bo cbbc cbbs cbcc cbcn cbcs cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccs ccic ccii ccis ccnb ccnc ccni ccns ccob ccoc ccsi ccsn ccss cibc cibi cibo cicc cici cico cics ciii ciis cin- cinc cini cino ciob cion cios cis- cisc cisn ciss cnbc cnci cnco cnib cnic cnss cobb cobi cobo cobs coco coin cois con- conc coni conn cono cons coob coon coos cosc cosi coso coss cscb cscc csci csco cscs csib csio csis csob csos i-no ibcs ibis ibns ibon ibos ibsn ibss icbc icbs iccb iccc icci iccn icco iccs icis icnb icnc icns icoc icon icos icsb icsc icsi icss iiii iiio iiis iino iioi iioo iios iisc iisi inbo incb inci inco incs inis inni inno inns ino- inoi inon inos insc inso inss iobi ioci ioii ioio ioni ionn iono ions iooi iooo ioos ioso isbn iscc isci iscn isco iscs isic isin isis isno iso- isoc ison isos issc issi isso isss n-ii nbbc nbbo nbcc nbci nbco nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccs ncis ncnc ncoc ncos ncsc ncsi ncss nibi nibo nibs nicc nici nico nics nini nino nins nion nioo nios nisi niso niss nnnn nnos nnss nobc nobi nobo nobs noci noco nocs noib noin noio nois non- noni nonn nono nons noo- noob noon nooo noos nos- noss nsbo nscc nscs nsic nsin nsis nsos nssb nssc nsso nsss obbo obin obis oboi obon obos obsn obss ocbc occc occi occn ocin ocis ocon ocos oici oiii oins oion oios oisc onc- onco onic onis onni onno onon onos onsc onso oobi oons oooo ooos oosi oscc osci osco osii osin osis osno osoi osoo osos ossb ossi osso s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbsi scbi sccc sccs sci- scic scin scio scis scob scon scoo scsc scsi scsn scso sibc sibi sibo sibs sicc sici sico sics sini sinn sino sins sion sios sisc sisi siss sncc snco snib snns snob snoc snoo snos sobo sobs soci soco socs soic soin sois son- soni sono sons soon soos sosi soso soss ssbn sscc ssci sscs ssin ssis ssns ssoc sssb sssc sssi ssss