-ic b-u bbb bbc bbi bbn bbo bbs bbu bcb bcc bci bcn bco bcs bcu bi- bib bic bii bin bio bis biu bnb bnc bni bnn bno bns bnu bob boc boi bon boo bos bou bsb bsc bsi bsn bso bss bsu bub buc bui bun buo bus buu c-- cbb cbc cbi cbn cbo cbs cbu ccb ccc cci ccn cco ccs ccu ci- cib cic cii cin cio cis ciu cn- cnb cnc cni cnn cno cns cnu co- cob coc coi con coo cos cou csb csc csi csn cso css csu cub cuc cui cun cuo cus cuu ibb ibc ibi ibn ibo ibs ibu icb icc ici icn ico ics icu iib iic iii iin iio iis iiu in- inb inc ini inn ino ins inu io- iob ioc ioi ion ioo ios iou is- isb isc isi isn iso iss isu iu- iub iuc iui ius n-i nbb nbc nbi nbn nbo nbs nbu ncb ncc nci ncn nco ncs ncu nib nic nii nin nio nis niu nnb nnc nni nnn nno nns nnu no- nob noc noi non noo nos nou nsb nsc nsi nsn nso nss nsu nub nuc nui nun nuo nus nuu o-i ob- obb obc obi obn obo obs obu oc- ocb occ oci ocn oco ocs ocu oib oic oii oin oio ois oiu on- onb onc oni onn ono ons onu oo- oob ooc ooi oon ooo oos os- osb osc osi osn oso oss osu ou- ouc oui oun ouo ous sbb sbc sbi sbn sbo sbs sbu scb scc sci scn sco scs scu sib sic sii sin sio sis siu snb snc sni snn sno sns snu sob soc soi son soo sos sou ss- ssb ssc ssi ssn sso sss ssu sub suc sui sun suo sus suu ubb ubc ubi ubn ubo ubs ubu ucb ucc uci ucn uco ucs ucu uib uic uii uin uio uis uiu un- unb unc uni unn uno uns unu uob uoc uon uoo uos usb usc usi usn uso uss usu uuc uun uus uuu

-ous bbbb bbbs bbci bbin bcbc bcbs bccc bcci bccs bcis bcnu bcos bcsc bcsn bcss bcuc bibb bibi bibo bibs bicc bici bico bics biin biis bin- binc bini binn bino bins binu bio- bioc bioi bion bios biou bis- bisc biso biss bisu bnib bnin bnoc bnss bobb bobi bobo bobs bobu boco bocs bocu boi- boii boin bois boiu bonc boni bonn bono bons bonu boob booc boon boos bosc bosi bosn boso boss bosu boun bous bsci bscs bsic bsin bsns bson bsos bssc bubb bubi bubo bubs bubu bucc buci buco bucs bucu buic buin buis buiu bunb buni bunn buno buns bunu buon busc busi buss busu buus c-bo cbbc cbbs cbcc cbcn cbcs cbcu cbsc cbsi cbsn cbus ccbc ccbn cccb cccc ccci cccs cccu ccic ccii ccis ccnb ccnc ccni ccns ccnu ccob ccoc ccsi ccsn ccss ccuc ccus cibc cibi cibo cicc cici cico cics cicu ciii ciis cin- cinc cini cino ciob cion cios cis- cisc cisn ciss ciuc cius cnbc cnci cnco cnib cnic cnss cobb cobi cobo cobs cobu coco cocu coin cois con- conc coni conn cono cons coob coon coos cosc cosi coso coss coub coun cous cscb cscc csci csco cscs csib csio csis csob csos csus cub- cubb cubi cubs cucc cuci cucn cui- cuin cuis cuno cuon cusb cuso cuss cusu i-no ibcs ibis ibns ibon ibos ibsn ibss ibus icbc icbs iccb iccc icci iccn icco iccs iccu icis icnb icnc icns icoc icon icos icsb icsc icsi icss icub icus iiii iiio iiis iino iioi iioo iios iisc iisi iisu iiuc inbo incb inci inco incs inis inni inno inns innu ino- inoi inon inos inou insc inso inss insu inui inun inus iobi ioci ioii ioio ioni ionn iono ions iooi iooo ioos ioso iosu ioun ious isbn iscc isci iscn isco iscs iscu isic isin isis isno iso- isoc ison isos issc issi isso isss issu isus iucc iuiu iuno iuss n-ii nbbc nbbo nbcc nbci nbco nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccs nccu ncis ncnc ncoc ncos ncsc ncsi ncss nibi nibo nibs nicc nici nico nics nicu niiu nini nino nins nion nioo nios niou nisi niso niss nisu nnnn nnos nnss nobc nobi nobo nobs nobu noci noco nocs noib noin noio nois non- noni nonn nono nons nonu noo- noob noon nooo noos nos- noss nosu noun nous nsbo nscc nscs nsic nsin nsis nsos nsou nssb nssc nsso nsss nsub nubc nubi nubs nuci nucs nucu nuin nunc nunn nuno nuns nuoc nuon nusi nuss nusu obbo obin obis oboi obon obos obsn obss obus ocbc occc occi occn ocin ocis ocon ocos oici oiii oins oion oios oisc oisu onc- onco onic onis onni onno onon onos onsc onso onus oobi oons oooo ooos oosi oous oscc osci osco osii osin osis osno osoi osoo osos ossb ossi osso ossu osun oubs oucc ouii ouin ouis oun- ouu- s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbsi sbus scbi sccc sccs sci- scic scin scio scis scob scon scoo scsc scsi scsn scso scsu scub scun sibc sibi sibo sibs sibu sicc sici sico sics sicu sini sinn sino sins sinu sion sios siou sisc sisi siss sisu siui sius sncc snco snib snns snob snoc snoo snos snub snus sobo sobs sobu soci soco socs soic soin sois son- soni sono sons sonu soon soos sosi soso soss soun sous ssbn sscc ssci sscs ssin ssis ssns ssoc sssb sssc sssi ssss sub- subb subi subo subs suc- succ suci sucs suin suio suis sun- sunb suni sunn suno suns sunu suos sus- susi suso suss susu suus ubbi ubbo ubic ubii ubis uboc ubon ubos ucbc ucci ucin ucio ucon ucos ucsb ucsc ucsu uncc unci unco uncs uni- unic unii unin unio unis