-er -ol bbb bbe bbg bbi bbl bbm bbo bbr bbs bbt be- beb bee beg bei bel bem beo ber bes bet bgb bge bgg bgi bgl bgm bgo bgr bgs bgt bi- bib bie big bii bil bim bio bir bis bit blb ble blg bli bll blm blo blr bls blt bmb bme bmg bmi bml bmm bmo bmr bms bmt bob boe bog boi bol bom boo bor bos bot brb bre brg bri brl brm bro brr brs brt bsb bse bsg bsi bsl bsm bso bsr bss bst btb bte btg bti btl btm bto btr bts btt ebb ebe ebg ebi ebl ebm ebo ebr ebs ebt eeb eee eeg eel eem eeo eer ees eet egb ege egg egi egl egm ego egr egs egt eib eie eig eii eil eim eio eir eis eit elb ele elg eli ell elm elo elr els elt em- emb eme emg emi eml emm emo emr ems emt eo- eob eoe eog eoi eol eom eoo eor eos eot erb ere erg eri erl erm ero err ers ert es- esb ese esg esi esl esm eso esr ess est etb ete etg eti etl etm eto etr ets ett gbe gbg gbi gbl gbm gbo gbr gbs gbt ge- geb gee geg gei gel gem geo ger ges get ggb ggg ggi ggm ggo ggr ggs ggt gib gie gig gii gil gim gio gir gis git glb gle glg gli gll glm glo glr gls glt gmb gme gmg gmi gml gmm gmo gmr gms gmt gob goe gog goi gol gom goo gor gos got grb gre grg gri grl grm gro grr grs grt gsb gse gsg gsi gsl gsm gso gsr gss gst gtb gte gtg gti gtl gtm gto gtr gts gtt ibb ibe ibg ibi ibl ibm ibo ibr ibs ibt ie- iee ieg iei iel iem ier ies iet igb ige igg igi igl igm igo igr igs igt iib iie iii iil iim iio iir iis iit il- ilb ile ilg ili ill ilm ilo ilr ils ilt im- imb ime img imi iml imm imo ims imt io- iob ioe iog ioi iol iom ioo ior ios iot ir- irb ire irg iri irl irm iro irr irs irt is- isb ise isg isi isl ism iso isr iss ist itb ite itg iti itl itm ito its itt lbb lbe lbg lbi lbl lbm lbo lbr lbs lbt leb lee leg lei lel lem leo ler les let lgb lge lgg lgi lgl lgm lgo lgr lgs lgt lib lie lig lii lil lim lio lir lis lit llb lle llg lli lll llm llo llr lls llt lmb lme lmg lmi lml lmm lmo lmr lms lmt lob loe log loi lol lom loo lor los lot lrb lrg lri lrm lro lrr lrs lrt lsb lse lsg lsi lsl lsm lso lsr lss lst ltb lte ltg lti ltl ltm lto ltr lts ltt m-o m-r mbb mbe mbg mbi mbl mbm mbo mbr mbs mbt meb mee meg mei mel mem meo mer mes met mgb mge mgi mgl mgm mgo mgr mgs mgt mi- mib mie mig mii mil mim mio mir mis mit mlb mle mlg mli mll mlm mlo mlr mls mlt mmb mme mmg mmi mml mmm mmo mmr mms mmt mob moe mog moi mol mom moo mor mos mot mrb mre mrg mri mrl mrm mro mrr mrs mrt msb mse msg msi msl msm mso msr mss mst mtb mte mtg mti mtl mtm mto mtr mts mtt o-i ob- obb obe obg obi obl obm obo obr obs obt oeb oee oeg oei oel oem oeo oer oes oet oge ogg ogi ogl ogo ogs ogt oib oie oii oil oim oio oir ois oit olb ole olg oli oll olm olo ols olt om- omb ome omg omi oml omm omo omr oms omt oo- oob oog ooi ool oom ooo oor oos oot or- orb ore org ori orl orm oro orr ors ort os- osb ose osg osi osl osm oso osr oss ost ot- otb ote otg oti otl otm oto otr ots ott rbb rbe rbg rbi rbl rbm rbo rbr rbs rbt re- reb ree reg rei rel rem reo rer res ret rgb rge rgg rgi rgo rgr rgs rgt rib rie rig rii ril rim rio rir ris rit rle rlg rli rll rlm rlo rlr rls rlt rmb rme rmg rmi rml rmm rmo rmr rms rmt rob roe rog roi rol rom roo ror ros rot rrb rrg rri rrl rrm rrr rrs rrt rsb rse rsg rsi rsl rsm rso rsr rss rst rtb rte rtg rti rtl rtm rto rtr rts rtt sbb sbe sbg sbi sbl sbm sbo sbr sbs sbt se- seb see seg sei sel sem seo ser ses set sgb sge sgg sgi sgl sgm sgo sgr sgs sgt sib sie sig sii sil sim sio sir sis sit slb sle slg sli sll slm slo slr sls slt smb sme smg smi sml smm smo smr sms smt sob soe sog soi sol som soo sor sos sot sr- srb sre srg sri srl srm sro srr srs srt ss- ssb sse ssg ssi ssl ssm sso ssr sss sst stb ste stg sti stl stm sto str sts stt tbb tbe tbg tbi tbl tbm tbo tbr tbs tbt te- teb tee teg tei tel tem teo ter tes tet tgb tge tgg tgi tgl tgm tgo tgr tgs tgt tib tie tig tii til tim tio tir tis tit tle tlg tli tll tlm tlo tlr tls tlt tmb tme tmg tmi tml tmm tmo tmr tms tmt to- tob toe tog toi tol tom too tor tos tot trb tre trg tri trl trm tro trr trs trt tsb tse tsg tsi tsl tsm tso tsr tss tst ttb tte ttg tti