-ic b-p bbb bbc bbi bbo bbp bbs bbt bcb bcc bci bco bcp bcs bct bi- bib bic bii bio bip bis bit bob boc boi boo bop bos bot bpb bpc bpi bpo bpp bps bpt bsb bsc bsi bso bsp bss bst btb btc bti bto btp bts btt c-- cbb cbc cbi cbo cbp cbs cbt ccb ccc cci cco ccp ccs cct ci- cib cic cii cio cip cis cit co- cob coc coi coo cop cos cot cpb cpc cpi cpo cpp cps cpt csb csc csi cso csp css cst ctb ctc cti cto ctp cts ctt ibb ibc ibi ibo ibp ibs ibt icb icc ici ico icp ics ict iib iic iii iio iip iis iit io- iob ioc ioi ioo iop ios iot ipb ipc ipi ipo ipp ips ipt is- isb isc isi iso isp iss ist itb itc iti ito itp its itt o-i ob- obb obc obi obo obp obs obt oc- ocb occ oci oco ocp ocs oct oib oic oii oio oip ois oit oo- oob ooc ooi ooo oop oos oot op- opb opc opi opo opp ops opt os- osb osc osi oso osp oss ost ot- otb otc oti oto otp ots ott p-p pbb pbc pbi pbo pbp pbs pbt pcb pcc pci pco pcp pcs pct pib pic pii pio pip pis pit pob poc poi poo pop pos pot ppb ppc ppi ppo ppp pps ppt ps- psb psc psi pso psp pss pst pt- ptb ptc pti pto ptp pts ptt sbb sbc sbi sbo sbp sbs sbt scb scc sci sco scp scs sct sib sic sii sio sip sis sit sob soc soi soo sop sos sot spb spc spi spo spp sps spt ss- ssb ssc ssi sso ssp sss sst stb stc sti sto stp sts stt tbb tbc tbi tbo tbp tbs tbt tcb tcc tci tco tcp tcs tct tib tic tii tio tip tis tit to- tob toc toi too top tos tot tpb tpc tpi tpo tpp tps tpt tsb tsc tsi tso tsp tss tst ttb ttc tti tto ttp tts ttt

bbbb bbbs bbci bcbc bcbp bcbs bccc bcci bccs bcis bcit bcos bcpp bcps bcsc bcss bctc bcts bibb bibi bibo bibs bicc bici bico bics biis bio- bioc bioi bios biot bipp bips bis- bisc biso bisp biss bist bitc bito bits bitt bobb bobi bobo bobs boco bocs boi- boii bois boit boob booc boop boos boot bopp bops bosc bosi boso boss bost botb boti boto bots bott bpcp bpot bpti bsci bscp bscs bsic bsos bspp bssc bsts btbp btcc btcs btob btps btss bttb c-bo cbbc cbbs cbcc cbcp cbcs cbct cbit cbot cbpc cbpp cbsc cbsi cbtc ccbc cccb cccc ccci cccp cccs ccic ccii ccip ccis ccob ccoc ccpp ccps ccsi ccsp ccss ccst cctb cctc cctt cibc cibi cibo cicc cici cico cics cict ciii ciis ciit ciob cios cipo cipp cips cis- cisc cisp ciss cist citb citi cito citp cits citt cobb cobi cobo cobs coco cocp coct coip cois coit coob coop coos coot copi copo copp cops copt cosc cosi coso cosp coss cost cotb cotc coti coto cots cott cpbc cpcs cpic cpio cpos cpps cpsc cpso cptp cpts cscb cscc csci csco cscs csib csio csis csit csob csos csot cspb cspc cspi csps cspt cstc csto csts ctbi ctbs ctcp ctic ctos ctot ctpo ctpp ctps ctsc ctss ctts ibcs ibis ibos ibot ibss ibtb ibtc ibts icbc icbp icbs iccb iccc icci icco iccp iccs icct icis icoc icos icpc icpo icps icsb icsc icsi icsp icss icst ictp icts iiii iiio iiis iiit iioi iioo iiop iios iisc iisi iisp iist iitt iobi ioci iocp ioii ioio ioit iooi iooo ioos iops ioso ioto ipcc ipcs ipct ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iptc ipto ipts isbt iscc isci isco iscp iscs isct isic isis isit iso- isoc isop isos ispc isps issc issi isso issp isss istc isti isto istp ists itbs itcs itic itis itoi itoo itos itpc itsi itso itsp itto obbo obis obit oboi obos obot obss obst obts ocbc occc occi occt ocis ocos ocpp oct- octi octo octs oici oiii oios oipc oisc oist oitc oiti oobi oooo ooos oops oosi oost ootb ootp oots opic opii opio opis opit opo- opos oppi oppo opps opsi opti opto opts osbp oscc osci osco osii osip osis osoi osoo osos ossb ossi osso ostc osti osts otbs otic otis otit oto- otoo otos otpp otso otti otto otts pbcc pboc pbsp pcbc pcbs pccc pccs pcip pcos pcpb pcpp pcps pcso pcts pibb pibi picc pici pico pics pict piip piob piot pipi pipo pipp pips pisi piso piss pist piti pito pits pitt pobo pobs poco pocs poio pois poop poos poot pop- popc popi popo popp pops popt posb posi poso poss post potc poti poto pots pott ppcc ppci ppcs ppib ppic ppos pppo pppp ppps ppss ppts pptt psbt psci psco psip psis psoc psoi psos pspi pspp psps pssc psso psst psts ptcc ptop pttc s-ib s-ic s-ii s-os sbbs sbcc sbcs sbct sbic sbot sbsi sbsp sbst sbtc scbi sccc sccp sccs scct sci- scic scio scip scis scit scob scoo scop scot scpb scpi scpo scps scpt scsc scsi scso scst sctc scto scts sibc sibi sibo sibs sicc sici sico sicp sics siit siop sios siot sipc sipi sipo sipp sips sipt sisc sisi siss sist sit- sitc siti sito sits sitt sobo sobp sobs sobt soci soco socs soic sois soit soop soos soot sopi sopo sopp sops sosi soso soss sost sotc soto sotp sots spcc spco spcs spib spic spio spip spis spit spoc spoo spop spos spot spps spso spsp spss spst sptb sptc spto spts sscc ssci sscp sscs ssis ssit ssoc ssop ssot sspc sspo ssps sspt sssb