-ic b-u bbb bbc bbi bbk bbo bbs bbt bbu bcb bcc bci bck bco bcs bct bcu bcz bi- bib bic bii bik bio bis bit biu biz bkb bkc bkk bko bks bkt bob boc boi bok boo bos bot bou boz bsb bsc bsi bsk bso bss bst bsu btb btc bti btk bto bts btt btu btz bub buc bui buk buo bus but buu buz bzo bzs bzu bzz c-- cbb cbc cbi cbk cbo cbs cbt cbu cbz ccb ccc cci cck cco ccs cct ccu ccz ci- cib cic cii cik cio cis cit ciu ckb ckc cki cko cks ckt co- cob coc coi cok coo cos cot cou coz csb csc csi csk cso css cst csu csz ctb ctc cti ctk cto cts ctt ctu ctz cub cuc cui cuk cuo cus cut cuu cuz cz- czc czk czo czt ibb ibc ibi ibk ibo ibs ibt ibu ibz icb icc ici ick ico ics ict icu icz iib iic iii iio iis iit iiu ikb ikc iki ikk iko iks ikt iku io- iob ioc ioi ioo ios iot iou is- isb isc isi isk iso iss ist isu itb itc iti itk ito its itt itu itz iu- iub iuc iui ius iut iuz izi izo izu izz k-t k-z kbb kbc kbi kbk kbo kbs kbu kbz kcb kcc kci kck kcs kct kcu kib kic kii kik kio kis kit kiu kiz kkb kkc kki kkk kks kkt kku kob koc koi kok koo kos kot kou koz ksb ksc ksi ksk kso kss kst ksu ktb ktc ktk kto kts ktt ktu kub kuc kui kuk kus kut kuu kzo o-i ob- obb obc obi obk obo obs obt obu oc- ocb occ oci ock oco ocs oct ocu ocz oib oic oii oik oio ois oit oiu oiz okb okc oki okk oko oks oku oo- oob ooc ooi ook ooo oos oot os- osb osc osi osk oso oss ost osu ot- otb otc oti otk oto ots ott otu otz ou- ouc oui ouk ouo ous out ozo ozs ozt ozu ozz sbb sbc sbi sbk sbo sbs sbt sbu scb scc sci sck sco scs sct scu sib sic sii sik sio sis sit siu sk- skb skc ski skk sko sks skt sku sob soc soi sok soo sos sot sou soz ss- ssb ssc ssi ssk sso sss sst ssu ssz stb stc sti stk sto sts stt stu stz sub suc sui suk suo sus sut suu suz szi szu tbb tbc tbi tbk tbo tbs tbt tbu tbz tcb tcc tci tck tco tcs tct tcu tib tic tii tik tio tis tit tiu tiz tkb tkc tkk tko tks tkt tkz to- tob toc toi tok too tos tot tou toz tsb tsc tsi tsk tso tss tst tsu ttb ttc tti ttk tto tts ttt ttu tub tuc tui tuk tuo tus tut tuu tuz tzs tzu ubb ubc ubi ubk ubo ubs ubt ubu ucb ucc uci uck uco ucs uct ucu uib uic uii uio uis uit uiu ukb ukc uki ukk uku ukz uob uoc uok uoo uos uot usb usc usi usk uso uss ust usu usz utb utc uti utk uto uts utt utu utz uuc uus uut uuu uzb uzi uzo uzu zbb zbc zbs zbt zco zcs zib zik zio zis zit ziz zks zo- zob zoc zoi zok zoo zos zot zou zsi zst zsu zsz zub zuc zui zuk zus zut zuz zzs zzt zzz

-ous bbbb bbbs bbci bcbc bcbs bccc bcci bccs bcis bcit bcos bcoz bcsc bcss bctc bcts bcuc bibb bibi bibo bibs bicc bici bick bico bics biis biko biku bio- bioc bioi bios biot biou bis- bisc bisk biso biss bist bisu bitc bito bits bitt bitu bitz bizu bizz bobb bobi bobo bobs bobu bock boco bocs bocu boi- boii bois boit boiu boki boko boks boku boob booc book boos boot booz bosc bosi bosk boso boss bost bosu botb boti boto bots bott bouk bous bout bozi bozo bsci bscs bsic bskt bsos bssc bsts btcc btcs btob btss bttb btus bubb bubi bubo bubs bubu bucc buci buck buco bucs bucu bucz buic buik buis buit buiu buki bukk buko buku busc busi busk buss bust busu but- buti buto buts butt butz buus buuz buzi buzz bzou bzzt bzzz c-bo cbbc cbbs cbcc cbcs cbct cbcu cbit cbko cbot cbsc cbsi cbtc cbus ccbc cccb cccc ccci cccs cccu ccic ccii ccis ccob ccoc ccsi ccss ccst cctb cctc cctt ccuc ccus ccut cibc cibi cibo cicc cici cico cics cict cicu ciii ciis ciit ciko ciob cios cis- cisc cisk ciss cist citb citi cito cits citt citu ciuc cius ckbc ckbi ckck ckco ckcs ckob ckoc ckoi ckoo ckos ckot cksb ckso ckst cktb ckts cobb cobi cobo cobs cobu cock coco coct cocu cois coit cok- coko coob cook coos coot cosc cosi coso coss cost cotb cotc coti coto cots cott cotu coub couk cous cout cozi cozz cscb cscc csci csco cscs csib csik csio csis csit csks csob csos csot cstc csto csts csus ctbi ctbs ctic ctos ctot ctsc ctss ctsu ctts cub- cubb cubi cubs cucc cuci cuck cui- cuis cuit cuk- cusb cusk cuso cuss cust cusu cut- cutc cuto cuts cutt cuzo czts ibcs ibis ibos ibot ibss ibtb ibtc ibts ibus icbc icbs iccb iccc icci icco iccs icct iccu icis icks icoc icos icsb icsc icsi icss icst icts icub icus iiii iiio iiis iiit iioi iioo iios iisc iisi iist iisu iitt iiuc ikki ikko ikoo iksu ikuo iobi ioci ioii ioio ioit ioko iooi iooo ioos ioso iosu ioto ious isbt iscc isci isco iscs isct iscu isic isis isit isko isku iso- isoc isok isos issc issi isso isss issu istc isti isto ists isus itbs itcs itic itis itko