-er -ol b-u bbb bbe bbi bbl bbm bbo bbr bbt bbu be- beb bee bei bel bem beo ber bet beu bi- bib bie bii bil bim bio bir bit biu blb ble bli bll blm blo blr blt blu bmb bme bmi bml bmm bmo bmr bmt bmu bob boe boi bol bom boo bor bot bou brb bre bri brl brm bro brr brt bru btb bte bti btl btm bto btr btt btu bub bue bui bul bum buo bur but buu ebb ebe ebi ebl ebm ebo ebr ebt ebu eeb eee eel eem eeo eer eet eib eie eii eil eim eio eir eit eiu elb ele eli ell elm elo elr elt elu em- emb eme emi eml emm emo emr emt emu eo- eob eoe eoi eol eom eoo eor eot eou erb ere eri erl erm ero err ert eru etb ete eti etl etm eto etr ett etu eu- eub eue eui eul eur eut ibb ibe ibi ibl ibm ibo ibr ibt ibu ie- iee iei iel iem ier iet iib iie iii iil iim iio iir iit iiu il- ilb ile ili ill ilm ilo ilr ilt ilu im- imb ime imi iml imm imo imt imu io- iob ioe ioi iol iom ioo ior iot iou ir- irb ire iri irl irm iro irr irt iru itb ite iti itl itm ito itt itu iu- iub iue iui ium iur iut lbb lbe lbi lbl lbm lbo lbr lbt lbu leb lee lei lel lem leo ler let leu lib lie lii lil lim lio lir lit liu llb lle lli lll llm llo llr llt llu lmb lme lmi lml lmm lmo lmr lmt lmu lob loe loi lol lom loo lor lot lou lrb lri lrm lro lrr lrt lru ltb lte lti ltl ltm lto ltr ltt ltu lub lue lui lul lum luo lur lut luu m-o m-r mbb mbe mbi mbl mbm mbo mbr mbt mbu meb mee mei mel mem meo mer met meu mi- mib mie mii mil mim mio mir mit miu mlb mle mli mll mlm mlo mlr mlt mlu mmb mme mmi mml mmm mmo mmr mmt mmu mob moe moi mol mom moo mor mot mou mrb mre mri mrl mrm mro mrr mrt mru mtb mte mti mtl mtm mto mtr mtt mtu mub mue mui mul mum mur mut muu o-i ob- obb obe obi obl obm obo obr obt obu oeb oee oei oel oem oeo oer oet oib oie oii oil oim oio oir oit oiu olb ole oli oll olm olo olt olu om- omb ome omi oml omm omo omr omt omu oo- oob ooi ool oom ooo oor oot or- orb ore ori orl orm oro orr ort oru ot- otb ote oti otl otm oto otr ott otu ou- oue oui oul oum ouo our out rbb rbe rbi rbl rbm rbo rbr rbt rbu re- reb ree rei rel rem reo rer ret reu rib rie rii ril rim rio rir rit rle rli rll rlm rlo rlr rlt rlu rmb rme rmi rml rmm rmo rmr rmt rob roe roi rol rom roo ror rot rou rrb rri rrl rrm rrr rrt rru rtb rte rti rtl rtm rto rtr rtt rtu rub rue rui rum ruo rur rut ruu tbb tbe tbi tbl tbm tbo tbr tbt tbu te- teb tee tei tel tem teo ter tet teu tib tie tii til tim tio tir tit tiu tle tli tll tlm tlo tlr tlt tlu tmb tme tmi tml tmm tmo tmr tmt tmu to- tob toe toi tol tom too tor tot tou trb tre tri trl trm tro trr trt tru ttb tte tti ttl ttm tto ttr ttt ttu tub tue tui tul tum tuo tur tut tuu ubb ube ubi ubl ubo ubr ubt ubu ueb uee uei uel uem uer uet uib uie uii uil uim uio uir uit uiu ulb ule uli ull ulm ulo ulr ult ulu um- umb ume umi uml umm umo umr umt umu uob uoe uol uom uoo uor uot ur- urb ure uri url urm uro urr urt uru utb ute uti utl utm uto utr utt utu uue uum uur uut uuu