-er -ic -ol bbb bbc bbe bbi bbl bbm bbo bbr bcb bcc bce bci bcl bcm bco bcr be- beb bec bee bei bel bem beo ber bi- bib bic bie bii bil bim bio bir blb blc ble bli bll blm blo blr bmb bmc bme bmi bml bmm bmo bmr bob boc boe boi bol bom boo bor brb bre bri brl brm bro brr c-- cbb cbc cbe cbi cbl cbm cbo cbr ccb ccc cce cci ccl ccm cco ccr ce- ceb cec cee cei cel cem ceo cer ci- cib cic cie cii cil cim cio cir cl- clb clc cle cli cll clm clo clr cmb cmc cme cmi cml cmm cmo cmr co- cob coc coe coi col com coo cor crb crc cre cri crl crm cro crr ebb ebc ebe ebi ebl ebm ebo ebr ec- ecb ecc ece eci ecl ecm eco ecr eeb eec eee eel eem eeo eer eib eic eie eii eil eim eio eir elb elc ele eli ell elm elo elr em- emb emc eme emi eml emm emo emr eo- eob eoc eoe eoi eol eom eoo eor erb erc ere eri erl erm ero err ibb ibc ibe ibi ibl ibm ibo ibr icb icc ice ici icl icm ico icr ie- iec iee iei iel iem ier iib iic iie iii iil iim iio iir il- ilb ilc ile ili ill ilm ilo ilr im- imb imc ime imi iml imm imo io- iob ioc ioe ioi iol iom ioo ior ir- irb irc ire iri irl irm iro irr lbb lbc lbe lbi lbl lbm lbo lbr lcb lcc lce lci lcl lcm lco lcr leb lec lee lei lel lem leo ler lib lic lie lii lil lim lio lir llb llc lle lli lll llm llo llr lmb lmc lme lmi lml lmm lmo lmr lob loc loe loi lol lom loo lor lrb lrc lri lrm lro lrr m-o m-r mbb mbc mbe mbi mbl mbm mbo mbr mc- mcb mcc mce mci mcl mcm mco mcr meb mec mee mei mel mem meo mer mi- mib mic mie mii mil mim mio mir mlb mlc mle mli mll mlm mlo mlr mmb mmc mme mmi mml mmm mmo mmr mob moc moe moi mol mom moo mor mrb mrc mre mri mrl mrm mro mrr o-i ob- obb obc obe obi obl obm obo obr oc- ocb occ oci ocl ocm oco ocr oeb oec oee oei oel oem oeo oer oib oic oie oii oil oim oio oir olb olc ole oli oll olm olo om- omb omc ome omi oml omm omo omr oo- oob ooc ooi ool oom ooo oor or- orb orc ore ori orl orm oro orr rbb rbc rbe rbi rbl rbm rbo rbr rcb rcc rce rci rcl rcm rco rcr re- reb rec ree rei rel rem reo rer rib ric rie rii ril rim rio rir rlc rle rli rll rlm rlo rlr rmb rmc rme rmi rml rmm rmo rmr rob roc roe roi rol rom roo ror rrb rrc rri rrl rrm rrr