-ic -ol bbb bbc bbe bbi bbl bbm bbo bbs bcb bcc bce bci bcl bcm bco bcs be- beb bec bee bei bel bem beo bes bi- bib bic bie bii bil bim bio bis blb blc ble bli bll blm blo bls bmb bmc bme bmi bml bmm bmo bms bob boc boe boi bol bom boo bos bsb bsc bse bsi bsl bsm bso bss c-- cbb cbc cbe cbi cbl cbm cbo cbs ccb ccc cce cci ccl ccm cco ccs ce- ceb cec cee cei cel cem ceo ces ci- cib cic cie cii cil cim cio cis cl- clb clc cle cli cll clm clo cls cmb cmc cme cmi cml cmm cmo cms co- cob coc coe coi col com coo cos csb csc cse csi csl csm cso css ebb ebc ebe ebi ebl ebm ebo ebs ec- ecb ecc ece eci ecl ecm eco ecs eeb eec eee eel eem eeo ees eib eic eie eii eil eim eio eis elb elc ele eli ell elm elo els em- emb emc eme emi eml emm emo ems eo- eob eoc eoe eoi eol eom eoo eos es- esb esc ese esi esl esm eso ess ibb ibc ibe ibi ibl ibm ibo ibs icb icc ice ici icl icm ico ics ie- iec iee iei iel iem ies iib iic iie iii iil iim iio iis il- ilb ilc ile ili ill ilm ilo ils im- imb imc ime imi iml imm imo ims io- iob ioc ioe ioi iol iom ioo ios is- isb isc ise isi isl ism iso iss lbb lbc lbe lbi lbl lbm lbo lbs lcb lcc lce lci lcl lcm lco lcs leb lec lee lei lel lem leo les lib lic lie lii lil lim lio lis llb llc lle lli lll llm llo lls lmb lmc lme lmi lml lmm lmo lms lob loc loe loi lol lom loo los lsb lsc lse lsi lsl lsm lso lss m-o mbb mbc mbe mbi mbl mbm mbo mbs mc- mcb mcc mce mci mcl mcm mco mcs meb mec mee mei mel mem meo mes mi- mib mic mie mii mil mim mio mis mlb mlc mle mli mll mlm mlo mls mmb mmc mme mmi mml mmm mmo mms mob moc moe moi mol mom moo mos msb msc mse msi msl msm mso mss o-i ob- obb obc obe obi obl obm obo obs oc- ocb occ oci ocl ocm oco ocs oeb oec oee oei oel oem oeo oes oib oic oie oii oil oim oio ois olb olc ole oli oll olm olo ols om- omb omc ome omi oml omm omo oms oo- oob ooc ooi ool oom ooo oos os- osb osc ose osi osl osm oso oss sbb sbc sbe sbi sbl sbm sbo sbs scb scc sce sci scl scm sco scs se- seb sec see sei sel sem seo ses sib sic sie sii sil sim sio sis slb slc sle sli sll slm slo sls smb smc sme smi sml smm smo sms sob soc soe soi sol som soo sos ss- ssb ssc sse ssi ssl ssm sso sss