-ic b-u bbb bbc bbd bbi bbn bbo bbs bbu bcb bcc bcd bci bcn bco bcs bcu bdb bdc bdd bdi bdo bds bdu bi- bib bic bid bii bin bio bis biu bnb bnc bnd bni bnn bno bns bnu bob boc bod boi bon boo bos bou bsb bsc bsd bsi bsn bso bss bsu bub buc bud bui bun buo bus buu c-- cbb cbc cbd cbi cbn cbo cbs cbu ccb ccc ccd cci ccn cco ccs ccu cdb cdc cdd cdi cdn cdo cds cdu ci- cib cic cid cii cin cio cis ciu cn- cnb cnc cnd cni cnn cno cns cnu co- cob coc cod coi con coo cos cou csb csc csd csi csn cso css csu cub cuc cud cui cun cuo cus cuu dbb dbc dbd dbi dbn dbo dbs dbu dcb dcc dcd dci dcn dco dcs dcu ddb ddc ddd ddi ddn ddo dds ddu di- dib dic did dii din dio dis diu dnb dnc dnd dni dnn dno dns dob doc dod doi don doo dos dou dsb dsc dsd dsi dsn dso dss dsu dub duc dud dui dun duo dus i-d ibb ibc ibd ibi ibn ibo ibs ibu icb icc icd ici icn ico ics icu idb idc idd idi idn ido ids idu iib iic iid iii iin iio iis iiu in- inb inc ind ini inn ino ins inu io- iob ioc iod ioi ion ioo ios iou is- isb isc isd isi isn iso iss isu iu- iub iuc iud iui ius n-i nbb nbc nbd nbi nbn nbo nbs nbu ncb ncc ncd nci ncn nco ncs ncu ndb ndc ndd ndi ndn ndo nds ndu nib nic nid nii nin nio nis niu nnb nnc nni nnn nno nns nnu no- nob noc nod noi non noo nos nou nsb nsc nsd nsi nsn nso nss nsu nub nuc nud nui nun nuo nus nuu o-i ob- obb obc obd obi obn obo obs obu oc- ocb occ ocd oci ocn oco ocs ocu odb odc odd odi odn odo ods odu oib oic oid oii oin oio ois oiu on- onb onc ond oni onn ono ons onu oo- oob ooc ood ooi oon ooo oos os- osb osc osd osi osn oso oss osu ou- ouc oud oui oun ouo ous sbb sbc sbd sbi sbn sbo sbs sbu scb scc scd sci scn sco scs scu sdb sdc sdd sdi sdn sdo sds sdu sib sic sid sii sin sio sis siu snb snc snd sni snn sno sns snu sob soc sod soi son soo sos sou ss- ssb ssc ssd ssi ssn sso sss ssu sub suc sud sui sun suo sus suu ubb ubc ubi ubn ubo ubs ubu ucb ucc ucd uci ucn uco ucs ucu udb udc udd udi udn udo uds udu uib uic uid uii uin uio uis uiu un- unb unc und uni unn uno uns unu uob uoc uod uon uoo uos usb usc usd usi usn uso uss usu uuc uun uus uuu

-ous bbbb bbbs bbci bbdd bbdo bbin bcbc bcbs bccc bcci bccs bcds bcis bcnu bcos bcsc bcsn bcss bcuc bdbc bddc bdii bdin bdos bdsd bibb bibi bibo bibs bicc bici bico bics bidi bido bids bidu biin biis bin- binc bind bini binn bino bins binu bio- bioc bioi bion bios biou bis- bisc bisd biso biss bisu bnib bnin bnoc bnss bobb bobi bobo bobs bobu boco bocs bocu bodb bodi bodo bods bodu boi- boid boii boin bois boiu bonc bond boni bonn bono bons bonu boob booc bood boon boos bosc bosi bosn boso boss bosu boud boun bous bsbd bsci bscs bsic bsin bsnd bsns bsod bson bsos bssc bssd bubb bubi bubo bubs bubu bucc buci buco bucs bucu budb budd budi budo buds budu buic buid buin buis buiu bunb bund buni bunn buno buns bunu buon busc busi buss busu buus c-bo c-cd cbbc cbbs cbcc cbcn cbcs cbcu cbdb cbdc cbdi cbdn cbdo cbds cbid cbnd cbsc cbsi cbsn cbus ccbc ccbn cccb cccc ccci cccs cccu ccdc ccdi ccdn ccds ccic ccid ccii ccis ccnb ccnc ccni ccns ccnu ccob ccoc ccod ccsd ccsi ccsn ccss ccuc ccus cdcs cddb cdic cdii cdio cdis cdnb cdnc cdon cdos cdss cibc cibi cibo cicc cici cico cics cicu cidc cidi cids ciid ciii ciis cin- cinc cind cini cino ciob cion cios cis- cisc cisd cisn ciss ciuc cius cnbc cnci cnco cndd cnib cnic cnid cnss cobb cobi cobo cobs cobu coco cocu codd codi cods coin cois con- conc cond coni conn cono cons coob cood coon coos cosc cosi coso coss coub coud coun cous cscb cscc cscd csci csco cscs csdb csdn csib csid csio csis csob csos cssd csus cub- cubb cubi cubs cucc cuci cucn cudi cuds cui- cuin cuis cund cuno cuon cusb cusd cuso cuss cusu d-bo dbcc dbcs dbos dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcii dcio dcis dcns dcon dcos dcsc dcss dddd ddoc ddss ddub dibb dibo dibs dici dico didi dido dids didu diii diis din- dinc dini dinn dino dins dinu dioc dion dios diou dis- disc disd disi diso diss dius dncs dnic dnis dnoc dnsc dnus dobb dobi dobs dobu doci doco docs docu dod- dodd dodi dodo dods doid doin dois donc dond doni donn dono dons doob dood doon doos dosi doso doss doub douc doud doun dous dsbc dscc dscn dscs dsos dssc dssi dssn dub- dubb dubc dubs dubu duco ducs dudd dudo duds dudu duid duin duis dunc dunn duno duns duo- duon duos dusi i-no ibcs ibdo ibid ibis ibns ibon ibos ibsn ibss ibus icbc icbd icbs iccb iccc icci iccn icco iccs iccu icdc icdd icis icnb icnc icns icoc icod icon icos icsb icsc icsd icsi icss icub icus iddo idic idid idin