-er -ic -ol bbb bbc bbe bbg bbi bbl bbm bbo bbr bbs bcb bcc bce bcg bci bcl bcm bco bcr bcs be- beb bec bee beg bei bel bem beo ber bes bgb bgc bge bgg bgi bgl bgm bgo bgr bgs bi- bib bic bie big bii bil bim bio bir bis blb blc ble blg bli bll blm blo blr bls bmb bmc bme bmg bmi bml bmm bmo bmr bms bob boc boe bog boi bol bom boo bor bos brb bre brg bri brl brm bro brr brs bsb bsc bse bsg bsi bsl bsm bso bsr bss c-- cbb cbc cbe cbg cbi cbl cbm cbo cbr cbs ccb ccc cce ccg cci ccl ccm cco ccr ccs ce- ceb cec cee ceg cei cel cem ceo cer ces cgb cgc cge cgg cgi cgl cgm cgo cgr cgs ci- cib cic cie cig cii cil cim cio cir cis cl- clb clc cle clg cli cll clm clo clr cls cmb cmc cme cmg cmi cml cmm cmo cmr cms co- cob coc coe cog coi col com coo cor cos crb crc cre crg cri crl crm cro crr crs csb csc cse csg csi csl csm cso csr css ebb ebc ebe ebg ebi ebl ebm ebo ebr ebs ec- ecb ecc ece ecg eci ecl ecm eco ecr ecs eeb eec eee eeg eel eem eeo eer ees egb egc ege egg egi egl egm ego egr egs eib eic eie eig eii eil eim eio eir eis elb elc ele elg eli ell elm elo elr els em- emb emc eme emg emi eml emm emo emr ems eo- eob eoc eoe eog eoi eol eom eoo eor eos erb erc ere erg eri erl erm ero err ers es- esb esc ese esg esi esl esm eso esr ess gbc gbe gbg gbi gbl gbm gbo gbr gbs gcb gcc gce gcg gci gcl gcm gco gcr gcs ge- geb gec gee geg gei gel gem geo ger ges ggb ggc ggg ggi ggm ggo ggr ggs gib gic gie gig gii gil gim gio gir gis glb glc gle glg gli gll glm glo glr gls gmb gmc gme gmg gmi gml gmm gmo gmr gms gob goc goe gog goi gol gom goo gor gos grb grc gre grg gri grl grm gro grr grs gsb gsc gse gsg gsi gsl gsm gso gsr gss ibb ibc ibe ibg ibi ibl ibm ibo ibr ibs icb icc ice icg ici icl icm ico icr ics ie- iec iee ieg iei iel iem ier ies igb igc ige igg igi igl igm igo igr igs iib iic iie iii iil iim iio iir iis il- ilb ilc ile ilg ili ill ilm ilo ilr ils im- imb imc ime img imi iml imm imo ims io- iob ioc ioe iog ioi iol iom ioo ior ios ir- irb irc ire irg iri irl irm iro irr irs is- isb isc ise isg isi isl ism iso isr iss lbb lbc lbe lbg lbi lbl lbm lbo lbr lbs lcb lcc lce lcg lci lcl lcm lco lcr lcs leb lec lee leg lei lel lem leo ler les lgb lgc lge lgg lgi lgl lgm lgo lgr lgs lib lic lie lig lii lil lim lio lir lis llb llc lle llg lli lll llm llo llr lls lmb lmc lme lmg lmi lml lmm lmo lmr lms lob loc loe log loi lol lom loo lor los lrb lrc lrg lri lrm lro lrr lrs lsb lsc lse lsg lsi lsl lsm lso lsr lss m-o m-r mbb mbc mbe mbg mbi mbl mbm mbo mbr mbs mc- mcb mcc mce mcg mci mcl mcm mco mcr mcs meb mec mee meg mei mel mem meo mer mes mgb mgc mge mgi mgl mgm mgo mgr mgs mi- mib mic mie mig mii mil mim mio mir mis mlb mlc mle mlg mli mll mlm mlo mlr mls mmb mmc mme mmg mmi mml mmm mmo mmr mms mob moc moe mog moi mol mom moo mor mos mrb mrc mre mrg mri mrl mrm mro mrr mrs msb msc mse msg msi msl msm mso msr mss o-i ob- obb obc obe obg obi obl obm obo obr obs oc- ocb occ ocg oci ocl ocm oco ocr ocs oeb oec oee oeg oei oel oem oeo oer oes ogc oge ogg ogi ogl ogo ogs oib oic oie oii oil oim oio oir ois olb olc ole olg oli oll olm olo ols om- omb omc ome omg omi oml omm omo omr oms oo- oob ooc oog ooi ool oom ooo oor oos or- orb orc ore org ori orl orm oro orr ors os- osb osc ose osg osi osl osm oso osr oss rbb rbc rbe rbg rbi rbl rbm rbo rbr rbs rcb rcc rce rcg rci rcl rcm rco rcr rcs re- reb rec ree reg rei rel rem reo rer res rgb rgc rge rgg rgi rgo rgr rgs rib ric rie rig rii ril rim rio rir ris rlc rle rlg rli rll rlm rlo rlr rls rmb rmc rme rmg rmi rml rmm rmo rmr rms rob roc roe rog roi rol rom roo ror ros rrb rrc rrg rri rrl rrm rrr rrs rsb rsc rse rsg rsi rsl rsm rso rsr rss sbb sbc sbe sbg sbi sbl sbm sbo sbr sbs scb scc sce scg sci scl scm sco scr scs se- seb sec see seg sei sel sem seo ser ses sgb sgc sge sgg sgi sgl sgm sgo sgr sgs sib sic sie sig sii sil sim sio sir sis slb slc sle slg sli sll slm slo slr sls smb smc sme smg smi sml smm smo smr sms sob soc soe sog soi sol som soo sor sos sr- srb src sre srg sri srl srm sro srr