-er -ol b-u bbb bbc bbe bbl bbm bbo bbr bbt bbu bcb bcc bce bcl bcm bco bcr bct bcu be- beb bec bee bel bem beo ber bet beu blb blc ble bll blm blo blr blt blu bmb bmc bme bml bmm bmo bmr bmt bmu bob boc boe bol bom boo bor bot bou brb bre brl brm bro brr brt bru btb btc bte btl btm bto btr btt btu bub buc bue bul bum buo bur but buu c-- cbb cbc cbe cbl cbm cbo cbr cbt cbu ccb ccc cce ccl ccm cco ccr cct ccu ce- ceb cec cee cel cem ceo cer cet ceu cl- clb clc cle cll clm clo clr clt clu cmb cmc cme cml cmm cmo cmr cmt cmu co- cob coc coe col com coo cor cot cou crb crc cre crl crm cro crr crt cru ctb ctc cte ctl ctm cto ctr ctt ctu cub cuc cue cul cum cuo cur cut cuu ebb ebc ebe ebl ebm ebo ebr ebt ebu ec- ecb ecc ece ecl ecm eco ecr ect ecu eeb eec eee eel eem eeo eer eet elb elc ele ell elm elo elr elt elu em- emb emc eme eml emm emo emr emt emu eo- eob eoc eoe eol eom eoo eor eot eou erb erc ere erl erm ero err ert eru etb etc ete etl etm eto etr ett etu eu- eub euc eue eul eur eut lbb lbc lbe lbl lbm lbo lbr lbt lbu lcb lcc lce lcl lcm lco lcr lct lcu leb lec lee lel lem leo ler let leu llb llc lle lll llm llo llr llt llu lmb lmc lme lml lmm lmo lmr lmt lmu lob loc loe lol lom loo lor lot lou lrb lrc lrm lro lrr lrt lru ltb ltc lte ltl ltm lto ltr ltt ltu lub luc lue lul lum luo lur lut luu m-o m-r mbb mbc mbe mbl mbm mbo mbr mbt mbu mc- mcb mcc mce mcl mcm mco mcr mct mcu meb mec mee mel mem meo mer met meu mlb mlc mle mll mlm mlo mlr mlt mlu mmb mmc mme mml mmm mmo mmr mmt mmu mob moc moe mol mom moo mor mot mou mrb mrc mre mrl mrm mro mrr mrt mru mtb mtc mte mtl mtm mto mtr mtt mtu mub muc mue mul mum mur mut muu ob- obb obc obe obl obm obo obr obt obu oc- ocb occ ocl ocm oco ocr oct ocu oeb oec oee oel oem oeo oer oet olb olc ole oll olm olo olt olu om- omb omc ome oml omm omo omr omt omu oo- oob ooc ool oom ooo oor oot or- orb orc ore orl orm oro orr ort oru ot- otb otc ote otl otm oto otr ott otu ou- ouc oue oul oum ouo our out rbb rbc rbe rbl rbm rbo rbr rbt rbu rcb rcc rce rcl rcm rco rcr rct rcu re- reb rec ree rel rem reo rer ret reu rlc rle rll rlm rlo rlr rlt rlu rmb rmc rme rml rmm rmo rmr rmt rob roc roe rol rom roo ror rot rou rrb rrc rrl rrm rrr rrt rru rtb rtc rte rtl rtm rto rtr rtt rtu rub ruc rue rum ruo rur rut ruu tbb tbc tbe tbl tbm tbo tbr tbt tbu tcb tcc tce tcl tcm tco tcr tct tcu te- teb tec tee tel tem teo ter tet teu tlc tle tll tlm tlo tlr tlt tlu tmb tmc tme tml tmm tmo tmr tmt tmu to- tob toc toe tol tom too tor tot tou trb trc tre trl trm tro trr trt tru ttb ttc tte ttl ttm tto ttr ttt ttu tub tuc tue tul tum tuo tur tut tuu ubb ubc ube ubl ubo ubr ubt ubu ucb ucc uce ucl ucm uco ucr uct ucu ueb uec uee uel uem uer uet ulb ulc ule ull ulm ulo ulr ult ulu um- umb umc ume uml umm umo umr umt umu uob uoc uoe uol uom uoo uor uot ur- urb urc ure url urm uro urr urt uru utb utc ute utl utm uto utr utt utu uuc uue uum uur uut uuu