-ic bbb bbc bbi bbm bbo bbr bbt bbx bcb bcc bci bcm bco bcr bct bcx bi- bib bic bii bim bio bir bit bix bmb bmc bmi bmm bmo bmr bmt bmx bob boc boi bom boo bor bot box brb bri brm bro brr brt brx btb btc bti btm bto btr btt btx bxb bxi bxm bxo bxx c-- cbb cbc cbi cbm cbo cbr cbt cbx ccb ccc cci ccm cco ccr cct ccx ci- cib cic cii cim cio cir cit cix cmb cmc cmi cmm cmo cmr cmt cmx co- cob coc coi com coo cor cot cox crb crc cri crm cro crr crt crx ctb ctc cti ctm cto ctr ctt ctx cxc cxi cxo cxr cxt cxx ibb ibc ibi ibm ibo ibr ibt ibx icb icc ici icm ico icr ict iib iic iii iim iio iir iit iix im- imb imc imi imm imo imt imx io- iob ioc ioi iom ioo ior iot ir- irb irc iri irm iro irr irt irx itb itc iti itm ito itt itx ixc ixi m-o m-r mbb mbc mbi mbm mbo mbr mbt mbx mc- mcb mcc mci mcm mco mcr mct mcx mi- mib mic mii mim mio mir mit mix mmb mmc mmi mmm mmo mmr mmt mmx mob moc moi mom moo mor mot mox mrb mrc mri mrm mro mrr mrt mrx mtb mtc mti mtm mto mtr mtt mtx mxc mxi mxr o-i ob- obb obc obi obm obo obr obt obx oc- ocb occ oci ocm oco ocr oct ocx oib oic oii oim oio oir oit om- omb omc omi omm omo omr omt omx oo- oob ooc ooi oom ooo oor oot oox or- orb orc ori orm oro orr ort orx ot- otb otc oti otm oto otr ott ox- oxb oxc oxi oxo oxt oxx rbb rbc rbi rbm rbo rbr rbt rbx rcb rcc rci rcm rco rcr rct rcx rib ric rii rim rio rir rit rix rmb rmc rmi rmm rmo rmr rmt rmx rob roc roi rom roo ror rot rox rrb rrc rri rrm rrr rrt rtb rtc rti rtm rto rtr rtt rtx rxr t-x tbb tbc tbi tbm tbo tbr tbt tcb tcc tci tcm tco tcr tct tcx tib tic tii tim tio tir tit tix tmb tmc tmi tmm tmo tmr tmt tmx to- tob toc toi tom too tor tot tox trb trc tri trm tro trr trt trx ttb ttc tti ttm tto ttr ttt ttx txi txt xbc xbr xbx xcb xci xcr xcx xic xii xio xit xix xmc xmi xmm xmo xmr xmt xmx xoc xoi xom xoo xor xot xox xrc xrt xrx xtc xti xtm xtr xtx xxi xxo xxx

bbbb bbci bbcm bbox bbrc bcbc bccc bcci bccm bcit bcor bctc bibb bibi bibo bicc bici bico bimo bimx bio- bioc bioi biot biox birb biri biro birr birt birx bitc bito bitt bitx bixi bmci bmic bmir bmmi bmoc bmtc bobb bobi bobo bocm boco boi- boii boim boit bomb bomi bomt boob booc boom boor boot boox bor- bori borm boro borr bort botb boti boto bott brcb bric brim brio brit brix brmc brob broc brom broo bror brot brox brrm brrr brtc btcc btcx btob btor btrc btrt bttb c-bo cbbc cbcc cbcm cbcr cbct cbir cbit cbot cbox cbrm cbrt cbtc ccbc cccb cccc ccci cccm ccic ccii ccim ccir ccix ccmb ccmc ccmm ccob ccoc ccom ccrc ccri ccrt cctb cctc cctt ccxi cibc cibi cibo cicc cici cico cicr cict ciii ciit cimb cimi cimm cimo cimr ciob cior cirb circ ciri cirm ciro cirr cirt citb citi cito citt cixi cmbc cmbx cmcc cmii cmir cmix cmmb cmmc cmmi cmoc cmot cmri cmrr cmtc cobb cobi cobo coco coct coir coit coix com- comb comc comm como comr coob coom coot cor- corb corc cori corm coro corr cort cotb cotc coti coto cott crbc crcc crcr crib cric crim crit crmb crmo crob croc crom croo cror crot crrt crtc crtm ctbi ctic ctmo ctor ctot ctrc ctrm cxii cxix cxro cxxi cxxx ibbm ibim ibmx ibot ibox ibrc ibri ibro ibtb ibtc icbc icbm iccb iccc icci icco iccr icct icmc icmi icmm icmt icoc icom icor icrc icrm icrr icrt iiii iiio iiit iimc iioi iioo iirc iitm iitr iitt imbi imcb imci imco imir imit imix immi immo immt imrc imri imro imrr imto iobi ioci ioii ioio ioit iomo iooi iooo iori ioto irbm ircc ircx iri- iric irio irix irmc irmo irob iroc irrc irri irti itcm itic itim itmo itoi itoo itor itri itto ixxi mbci mbim mbio mbox mcbc mcbi mccc mcci mccx mcic mcii mcit mcix mcmc mcmi mcmt mcmx mcot mcrc mcri mctc mcxc mcxi mibc micc mici mico micr mict miii miio miit mim- mimi mimo mio- mirc miri miro mirr mirt mit- mitb mitc miti mitm mito mitt mitx mixi mixt mixx mmcc mmci mmcm mmct mmcx mmic mmii mmix mmmc mmmm mmor mmrc mmxi mmxx mobb mobi mobo moco moii moio moir moit momi momo moob mooc moor moot morb mori moro mort motb moti motm moto mott moxi moxo mr-c mrbb mrbm mrcb mrcc mrmc mrrc mrtm mrtt mtbc mtbo mtcr mtom mtor mtrc mtrr mttr mxii mxim mxit mxxi obbo obit obix oboi obor obot obox obri obro ocbc occc occi occt ocom ocro ocrr oct- octi octo oici oiii oimb oirt oitc oiti ombo omic omim omio omit omo- omoi omoo omor omox omri omro oobi oocr oooo oort ootb orbb orbi orbo orci orco ori- oric orio orit orix ormo oro- orom oror orot orri orro ortc orto otic otit oto- otoo otor otro otti otto oxi- oxic oxim oxo- oxox oxxo rbbb rbbr rbmx rcbc rcbo rccb rccc rcic rctc rcti rib- ribo ricc rico rict rimi rimm rimo riom riot riri riti rito ritt rixc rixo