-ic -up b-p b-u bbb bbc bbi bbo bbp bbs bbt bbu bcb bcc bci bco bcp bcs bct bcu bi- bib bic bii bio bip bis bit biu bob boc boi boo bop bos bot bou bpb bpc bpi bpo bpp bps bpt bpu bsb bsc bsi bso bsp bss bst bsu btb btc bti bto btp bts btt btu bub buc bui buo bup bus but buu c-- cbb cbc cbi cbo cbp cbs cbt cbu ccb ccc cci cco ccp ccs cct ccu ci- cib cic cii cio cip cis cit ciu co- cob coc coi coo cop cos cot cou cpb cpc cpi cpo cpp cps cpt cpu csb csc csi cso csp css cst csu ctb ctc cti cto ctp cts ctt ctu cub cuc cui cuo cup cus cut cuu ibb ibc ibi ibo ibp ibs ibt ibu icb icc ici ico icp ics ict icu iib iic iii iio iip iis iit iiu io- iob ioc ioi ioo iop ios iot iou ipb ipc ipi ipo ipp ips ipt ipu is- isb isc isi iso isp iss ist isu itb itc iti ito itp its itt itu iu- iub iuc iui iup ius iut o-i ob- obb obc obi obo obp obs obt obu oc- ocb occ oci oco ocp ocs oct ocu oib oic oii oio oip ois oit oiu oo- oob ooc ooi ooo oop oos oot op- opb opc opi opo opp ops opt os- osb osc osi oso osp oss ost osu ot- otb otc oti oto otp ots ott otu ou- ouc oui ouo oup ous out p-p pbb pbc pbi pbo pbp pbs pbt pbu pcb pcc pci pco pcp pcs pct pcu pib pic pii pio pip pis pit piu pob poc poi poo pop pos pot pou ppb ppc ppi ppo ppp pps ppt ppu ps- psb psc psi pso psp pss pst psu pt- ptb ptc pti pto ptp pts ptt ptu pub puc pui pup pus put puu sbb sbc sbi sbo sbp sbs sbt sbu scb scc sci sco scp scs sct scu sib sic sii sio sip sis sit siu sob soc soi soo sop sos sot sou spb spc spi spo spp sps spt spu ss- ssb ssc ssi sso ssp sss sst ssu stb stc sti sto stp sts stt stu sub suc sui suo sup sus sut suu tbb tbc tbi tbo tbp tbs tbt tbu tcb tcc tci tco tcp tcs tct tcu tib tic tii tio tip tis tit tiu to- tob toc toi too top tos tot tou tpb tpc tpi tpo tpp tps tpt tpu tsb tsc tsi tso tsp tss tst tsu ttb ttc tti tto ttp tts ttt ttu tub tuc tui tuo tup tus tut tuu ubb ubc ubi ubo ubp ubs ubt ubu ucb ucc uci uco ucp ucs uct ucu uib uic uii uio uip uis uit uiu uob uoc uoo uop uos uot up- upb upc upi upo upp ups upt upu usb usc usi uso usp uss ust usu utb utc uti uto utp uts utt utu uuc uus uut uuu

-ous bbbb bbbs bbci bcbc bcbp bcbs bccc bcci bccs bcis bcit bcos bcpp bcps bcsc bcss bctc bcts bcuc bcup bibb bibi bibo bibs bicc bici bico bics biis bio- bioc bioi bios biot biou bipp bips bipu bis- bisc biso bisp biss bist bisu bitc bito bits bitt bitu bobb bobi bobo bobs bobu boco bocs bocu boi- boii bois boit boiu boob booc boop boos boot bopp bops bosc bosi boso boss bost bosu botb boti boto bots bott boup bous bout bpcp bpot bpsu bpti bsci bscp bscs bsic bsos bspp bssc bsts bsup btbp btcc btcs btob btps btss bttb btus bubb bubi bubo bubs bubu bucc buci buco bucs bucu buic buis buit buiu bupc bups busc busi buss bust busu but- buti buto buts butt buus c-bo cbbc cbbs cbcc cbcp cbcs cbct cbcu cbit cbot cbpc cbpp cbsc cbsi cbtc cbus ccbc cccb cccc ccci cccp cccs cccu ccic ccii ccip ccis ccob ccoc ccpp ccps ccsi ccsp ccss ccst cctb cctc cctt ccuc ccup ccus ccut cibc cibi cibo cicc cici cico cics cict cicu ciii ciis ciit ciob cios cipo cipp cips cis- cisc cisp ciss cist citb citi cito citp cits citt citu ciuc ciup cius cobb cobi cobo cobs cobu coco cocp coct cocu coip cois coit coob coop coos coot copi copo copp cops copt cosc cosi coso cosp coss cost cotb cotc coti coto cots cott cotu coub coup cous cout cpbc cpcs cpcu cpic cpio cpos cpps cpsc cpso cpsu cptp cpts cpus cscb cscc csci csco cscs csib csio csis csit csob csos csot cspb cspc cspi csps cspt cstc csto csts csup csus ctbi ctbs ctcp ctic ctos ctot ctpo ctpp ctps ctsc ctss ctsu ctts cub- cubb cubi cubs cucc cuci cui- cuis cuit cupo cupp cups cusb cuso cusp cuss cust cusu cut- cutc cuto cuts cutt ibcs ibis ibos ibot ibss ibtb ibtc ibts ibus icbc icbp icbs iccb iccc icci icco iccp iccs icct iccu icis icoc icos icpc icpo icps icsb icsc icsi icsp icss icst ictp icts icub icup icus iiii iiio iiis iiit iioi iioo iiop iios iisc iisi iisp iist iisu iitt iiuc iobi ioci iocp ioii ioio ioit iooi iooo ioos iops ioso iosu ioto ious ipcc ipcs ipct ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iptc ipto ipts ipus iput isbt iscc isci isco iscp iscs isct iscu isic isis isit iso- isoc isop isos ispc isps issc issi isso issp isss issu istc isti isto istp ists isup isus itbs itcs itic itis itoi itoo itos itou itpc itsi itso itsp itsu itto itup iucc iuiu iupp iuss iust obbo obis obit oboi obos obot obss obst obts obus ocbc occc occi occt ocis ocos ocpp oct- octi octo octs oici oiii oios oipc oisc oist