-ic b-p bbb bbc bbi bbm bbo bbp bbr bbs bby bcb bcc bci bcm bco bcp bcr bcs bcy bi- bib bic bii bim bio bip bir bis biy bmb bmc bmi bmm bmo bmp bmr bms bob boc boi bom boo bop bor bos boy bpb bpc bpi bpm bpo bpp bpr bps bpy brb bri brm bro brp brr brs bry bsb bsc bsi bsm bso bsp bsr bss bsy by- byc byi bym byo byp byr bys c-- cbb cbc cbi cbm cbo cbp cbr cbs cby ccb ccc cci ccm cco ccp ccr ccs ci- cib cic cii cim cio cip cir cis cmb cmc cmi cmm cmo cmp cmr cms cmy co- cob coc coi com coo cop cor cos coy cpb cpc cpi cpm cpo cpp cpr cps crb crc cri crm cro crp crr crs cry csb csc csi csm cso csp csr css csy cyb cyc cym cyo cyp cyr cys ibb ibc ibi ibm ibo ibp ibr ibs iby icb icc ici icm ico icp icr ics icy iib iic iii iim iio iip iir iis im- imb imc imi imm imo imp ims imy io- iob ioc ioi iom ioo iop ior ios ipb ipc ipi ipm ipo ipp ipr ips ipy ir- irb irc iri irm iro irp irr irs iry is- isb isc isi ism iso isp isr iss isy iyc iym iyo iyr iys iyy m-o m-r mbb mbc mbi mbm mbo mbp mbr mbs mc- mcb mcc mci mcm mco mcp mcr mcs mi- mib mic mii mim mio mip mir mis miy mmb mmc mmi mmm mmo mmp mmr mms mob moc moi mom moo mop mor mos moy mpb mpc mpi mpm mpo mpp mpr mps mrb mrc mri mrm mro mrp mrr mrs mry msb msc msi msm mso msp msr mss msy my- myb myc mym myo myr mys o-i ob- obb obc obi obm obo obp obr obs oby oc- ocb occ oci ocm oco ocp ocr ocs oib oic oii oim oio oip oir ois om- omb omc omi omm omo omp omr oms omy oo- oob ooc ooi oom ooo oop oor oos op- opb opc opi opm opo opp opr ops opy or- orb orc ori orm oro orp orr ors ory os- osb osc osi osm oso osp osr oss oyi oyo oys p-p pbb pbc pbi pbm pbo pbp pbr pbs pby pcb pcc pci pcm pco pcp pcr pcs pib pic pii pim pio pip pir pis pmb pmc pmi pmm pmo pmp pmr pms pob poc poi pom poo pop por pos poy ppb ppc ppi ppm ppo ppp ppr pps prb prc pri prm pro prp prr prs pry ps- psb psc psi psm pso psp psr pss psy py- pyb pyc pym pyo pyr pys rbb rbc rbi rbm rbo rbp rbr rbs rcb rcc rci rcm rco rcp rcr rcs rib ric rii rim rio rip rir ris riy rmb rmc rmi rmm rmo rmp rmr rms rob roc roi rom roo rop ror ros roy rpb rpc rpi rpm rpo rpp rpr rps rrb rrc rri rrm rrp rrr rrs rsb rsc rsi rsm rso rsp rsr rss ry- ryc rym ryo ryr rys ryy sbb sbc sbi sbm sbo sbp sbr sbs sby scb scc sci scm sco scp scr scs sib sic sii sim sio sip sir sis smb smc smi smm smo smp smr sms smy sob soc soi som soo sop sor sos soy spb spc spi spm spo spp spr sps spy sr- srb src sri srm sro srp srr srs sry ss- ssb ssc ssi ssm sso ssp ssr sss sy- syb syc syi sym syp syr sys ybc ybi ybm ybp ybr ybs yby ycc yci yco ycp ycs ycy yii yim yio yip yir yis ymc ymi ymm ymo yms yob yoc yoi yom yoo yop yor yos yoy ypo yps yrc yro yrp yrs ysb ysc ysi ysm yso ysp ysr yss ysy yyb yyc yys yyy