-ic b-u bbb bbc bbd bbi bbo bbs bbu bcb bcc bcd bci bco bcs bcu bdb bdc bdd bdi bdo bds bdu bi- bib bic bid bii bio bis biu bob boc bod boi boo bos bou bsb bsc bsd bsi bso bss bsu bub buc bud bui buo bus buu c-- cbb cbc cbd cbi cbo cbs cbu ccb ccc ccd cci cco ccs ccu cdb cdc cdd cdi cdo cds cdu ci- cib cic cid cii cio cis ciu co- cob coc cod coi coo cos cou csb csc csd csi cso css csu cub cuc cud cui cuo cus cuu dbb dbc dbd dbi dbo dbs dbu dcb dcc dcd dci dco dcs dcu ddb ddc ddd ddi ddo dds ddu di- dib dic did dii dio dis diu dob doc dod doi doo dos dou dsb dsc dsd dsi dso dss dsu dub duc dud dui duo dus i-d ibb ibc ibd ibi ibo ibs ibu icb icc icd ici ico ics icu idb idc idd idi ido ids idu iib iic iid iii iio iis iiu io- iob ioc iod ioi ioo ios iou is- isb isc isd isi iso iss isu iu- iub iuc iud iui ius o-i ob- obb obc obd obi obo obs obu oc- ocb occ ocd oci oco ocs ocu odb odc odd odi odo ods odu oib oic oid oii oio ois oiu oo- oob ooc ood ooi ooo oos os- osb osc osd osi oso oss osu ou- ouc oud oui ouo ous sbb sbc sbd sbi sbo sbs sbu scb scc scd sci sco scs scu sdb sdc sdd sdi sdo sds sdu sib sic sid sii sio sis siu sob soc sod soi soo sos sou ss- ssb ssc ssd ssi sso sss ssu sub suc sud sui suo sus suu ubb ubc ubi ubo ubs ubu ucb ucc ucd uci uco ucs ucu udb udc udd udi udo uds udu uib uic uid uii uio uis uiu uob uoc uod uoo uos usb usc usd usi uso uss usu uuc uus uuu

-ous bbbb bbbs bbci bbdd bbdo bcbc bcbs bccc bcci bccs bcds bcis bcos bcsc bcss bcuc bdbc bddc bdii bdos bdsd bibb bibi bibo bibs bicc bici bico bics bidi bido bids bidu biis bio- bioc bioi bios biou bis- bisc bisd biso biss bisu bobb bobi bobo bobs bobu boco bocs bocu bodb bodi bodo bods bodu boi- boid boii bois boiu boob booc bood boos bosc bosi boso boss bosu boud bous bsbd bsci bscs bsic bsod bsos bssc bssd bubb bubi bubo bubs bubu bucc buci buco bucs bucu budb budd budi budo buds budu buic buid buis buiu busc busi buss busu buus c-bo c-cd cbbc cbbs cbcc cbcs cbcu cbdb cbdc cbdi cbdo cbds cbid cbsc cbsi cbus ccbc cccb cccc ccci cccs cccu ccdc ccdi ccds ccic ccid ccii ccis ccob ccoc ccod ccsd ccsi ccss ccuc ccus cdcs cddb cdic cdii cdio cdis cdos cdss cibc cibi cibo cicc cici cico cics cicu cidc cidi cids ciid ciii ciis ciob cios cis- cisc cisd ciss ciuc cius cobb cobi cobo cobs cobu coco cocu codd codi cods cois coob cood coos cosc cosi coso coss coub coud cous cscb cscc cscd csci csco cscs csdb csib csid csio csis csob csos cssd csus cub- cubb cubi cubs cucc cuci cudi cuds cui- cuis cusb cusd cuso cuss cusu d-bo dbcc dbcs dbos dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcii dcio dcis dcos dcsc dcss dddd ddoc ddss ddub dibb dibo dibs dici dico didi dido dids didu diii diis dioc dios diou dis- disc disd disi diso diss dius dobb dobi dobs dobu doci doco docs docu dod- dodd dodi dodo dods doid dois doob dood doos dosi doso doss doub douc doud dous dsbc dscc dscs dsos dssc dssi dub- dubb dubc dubs dubu duco ducs dudd dudo duds dudu duid duis duo- duos dusi ibcs ibdo ibid ibis ibos ibss ibus icbc icbd icbs iccb iccc icci icco iccs iccu icdc icdd icis icoc icod icos icsb icsc icsd icsi icss icub icus iddo idic idid idio idis idoc idos idsc idso idss idub iduo idus iicd iiii iiio iiis iioi iioo iios iisc iisd iisi iisu iiuc iobi ioci iod- iodd iodo ioii ioio iooi iooo ioos ioso iosu ious isbd iscc iscd isci isco iscs iscu isdb isdc isds isic isis iso- isoc isos issc issi isso isss issu isus iucc iuds iuiu iusd iuss obbo obid obis oboi obos obsd obss obus ocbc occc occi ocds ocis ocos odbo odci oddd oddi odds odic odio odis odiu odoo odos odou odso odus oici oido oids oiii oios oisc oisd oisu oobi oodi ooid oooo ooos oosi oous oscc osci osco osdi osii osis osoi osoo osos ossb ossd ossi osso ossu oubs oucc oudc ouds ouii ouis ousd ouu- s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sbic sbsd sbsi sbus scbi sccc sccs scdc scds sci- scic scid scio scis scob scoo scsc scsd scsi scso scsu scub scud sdcc sdco sddc sdds sdib sdic sdio sdsc sdss sdsu sibc sibi sibo sibs sibu sicc sici sico sics sicu sidd sidi sido sids siod sios siou sisc sisd sisi siss sisu siui sius sobo sobs sobu soci soco socs sodd sodo sods sodu soic sois sood soos sosi soso soss soud sous sscc ssci sscs ssdc ssdd ssid ssis ssoc sssb sssc sssi ssss sub- subb subd subi subo subs suc- succ suci sucs sudd sudi sudo suds suid suio suis suos sus- susd susi suso suss susu suus ubbi ubbo ubic ubid ubii ubis uboc ubod ubos ubud ucbc ucci ucdc ucdd ucio ucos ucsb ucsc ucsd ucsu udbc uddi udds udic udid udoo udos udsd uisd uocc usbc usbs uscc usco uscs usdc usdo usds usis usoc usoi usos ussb ussc usss ussu usui usus uuoc uusi uuuu

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