-er -ol b-u bbb bbc bbe bbh bbl bbm bbn bbo bbr bbu bcb bcc bce bch bcl bcm bcn bco bcr bcu be- beb bec bee beh bel bem ben beo ber beu bhb bhc bhe bhh bhl bhm bho bhr bhu blb blc ble blh bll blm bln blo blr blu bmb bmc bme bmh bml bmm bmn bmo bmr bmu bnb bnc bne bnl bnn bno bnr bnu bob boc boe boh bol bom bon boo bor bou brb bre brh brl brm brn bro brr bru bub buc bue buh bul bum bun buo bur buu c-- cbb cbc cbe cbh cbl cbm cbn cbo cbr cbu ccb ccc cce cch ccl ccm ccn cco ccr ccu ce- ceb cec cee ceh cel cem cen ceo cer ceu ch- chb chc che chh chl chm chn cho chr chu cl- clb clc cle clh cll clm cln clo clr clu cmb cmc cme cmh cml cmm cmn cmo cmr cmu cn- cnb cnc cne cnh cnl cnm cnn cno cnr cnu co- cob coc coe coh col com con coo cor cou crb crc cre crh crl crm crn cro crr cru cub cuc cue cuh cul cum cun cuo cur cuu ebb ebc ebe ebh ebl ebm ebn ebo ebr ebu ec- ecb ecc ece ech ecl ecm ecn eco ecr ecu eeb eec eee eel eem een eeo eer ehb ehc ehe ehh ehl ehm ehn eho ehr ehu elb elc ele elh ell elm eln elo elr elu em- emb emc eme emh eml emm emn emo emr emu en- enb enc ene enh enl enm enn eno enr enu eo- eob eoc eoe eoh eol eom eon eoo eor eou erb erc ere erh erl erm ern ero err eru eu- eub euc eue eul eun eur hbb hbc hbe hbh hbl hbm hbn hbo hbr hbu hcb hcc hce hch hcl hcm hcn hco hcr he- heb hec hee heh hel hem hen heo her heu hhb hhc hhe hhh hhl hhm hhn hho hhr hhu hlb hlc hle hlh hll hlm hln hlo hlr hlu hmb hmc hme hmh hml hmm hmo hmr hmu hnb hnc hne hnh hnl hnn hno hnu hob hoc hoe hoh hol hom hon hoo hor hou hr- hrb hrc hre hrh hrl hrm hrn hro hrr hru hub huc hue huh hul hum hun huo hur huu lbb lbc lbe lbh lbl lbm lbo lbr lbu lcb lcc lce lch lcl lcm lcn lco lcr lcu leb lec lee leh lel lem len leo ler leu lhb lhc lhh lho lhr lhu llb llc lle lll llm lln llo llr llu lmb lmc lme lmh lml lmm lmn lmo lmr lmu lnb lnc lne lnh lnl lnm lnn lno lnr lnu lob loc loe loh lol lom lon loo lor lou lrb lrc lrh lrm lrn lro lrr lru lub luc lue luh lul lum lun luo lur luu m-o m-r mbb mbc mbe mbh mbl mbm mbo mbr mbu mc- mcb mcc mce mch mcl mcm mcn mco mcr mcu meb mec mee meh mel mem men meo mer meu mhc mhh mhl mhm mhn mho mhr mhu mlb mlc mle mlh mll mlm mln mlo mlr mlu mmb mmc mme mmh mml mmm mmn mmo mmr mmu mnb mnc mne mnl mnm mnn mno mnr mnu mob moc moe moh mol mom mon moo mor mou mrb mrc mre mrh mrl mrm mrn mro mrr mru mub muc mue muh mul mum mun mur muu nbb nbc nbe nbl nbm nbn nbo nbr nbu ncb ncc nce nch ncl ncm ncn nco ncr ncu ne- neb nec nee neh nel nem nen neo ner neu nhb nhc nhe nhh nhl nhm nhn nhr nhu nlb nlc nle nlh nll nlm nln nlo nlr nlu nmb nmc nme nmh nml nmm nmn nmo nmr nmu nnb nnc nne nnh nnl nnm nnn nno nnu no- nob noc noe noh nol nom non noo nor nou nrb nrc nre nrl nrm nrn nro nrr nru nub nuc nue nuh nul num nun nuo nur nuu ob- obb obc obe obh obl obm obn obo obr obu oc- ocb occ och ocl ocm ocn oco ocr ocu oeb oec oee oeh oel oem oen oeo oer ohc ohe ohh ohl ohm ohn oho ohr ohu olb olc ole oll olm oln olo olu om- omb omc ome omh oml omm omn omo omr omu on- onb onc one onh onl onn ono onr onu oo- oob ooc ooh ool oom oon ooo oor or- orb orc ore orh orl orm orn oro orr oru ou- ouc oue ouh oul oum oun ouo our rbb rbc rbe rbh rbl rbm rbn rbo rbr rbu rcb rcc rce rch rcl rcm rcn rco rcr rcu re- reb rec ree reh rel rem ren reo rer reu rh- rhb rhc rhe rhh rhl rhm rhn rho rhr rhu rlc rle rlh rll rlm rln rlo rlr rlu rmb rmc rme rmh rml rmm rmn rmo rmr rnb rnc rnh rnm rnn rno rnr rnu rob roc roe roh rol rom ron roo ror rou rrb rrc rrh rrl rrm rrn rrr rru rub ruc rue ruh rum run ruo rur ruu ubb ubc ube ubh ubl ubn ubo ubr ubu ucb ucc uce uch ucl ucm ucn uco ucr ucu ueb uec uee ueh uel uem uen uer uhb uhc uhe uhh uhl uhm uho uhr uhu ulb ulc ule ull ulm uln ulo ulr ulu um- umb umc ume umh uml umm umn umo umr umu un- unb unc une unh unl unm unn uno unr unu uob uoc uoe uol uom uon uoo uor ur- urb urc ure url urm urn uro urr uru uuc uue uum uun uur uuu