-er -ol -up b-p b-u bbb bbc bbe bbh bbl bbm bbn bbo bbp bbr bbu bcb bcc bce bch bcl bcm bcn bco bcp bcr bcu be- beb bec bee beh bel bem ben beo bep ber beu bhb bhc bhe bhh bhl bhm bho bhp bhr bhu blb blc ble blh bll blm bln blo blp blr blu bmb bmc bme bmh bml bmm bmn bmo bmp bmr bmu bnb bnc bne bnl bnn bno bnp bnr bnu bob boc boe boh bol bom bon boo bop bor bou bpb bpc bpe bph bpl bpm bpn bpo bpp bpr bpu brb bre brh brl brm brn bro brp brr bru bub buc bue buh bul bum bun buo bup bur buu c-- cbb cbc cbe cbh cbl cbm cbn cbo cbp cbr cbu ccb ccc cce cch ccl ccm ccn cco ccp ccr ccu ce- ceb cec cee ceh cel cem cen ceo cep cer ceu ch- chb chc che chh chl chm chn cho chp chr chu cl- clb clc cle clh cll clm cln clo clp clr clu cmb cmc cme cmh cml cmm cmn cmo cmp cmr cmu cn- cnb cnc cne cnh cnl cnm cnn cno cnp cnr cnu co- cob coc coe coh col com con coo cop cor cou cpb cpc cpe cph cpl cpm cpn cpo cpp cpr cpu crb crc cre crh crl crm crn cro crp crr cru cub cuc cue cuh cul cum cun cuo cup cur cuu ebb ebc ebe ebh ebl ebm ebn ebo ebp ebr ebu ec- ecb ecc ece ech ecl ecm ecn eco ecr ecu eeb eec eee eel eem een eeo eep eer ehb ehc ehe ehh ehl ehm ehn eho ehp ehr ehu elb elc ele elh ell elm eln elo elp elr elu em- emb emc eme emh eml emm emn emo emp emr emu en- enb enc ene enh enl enm enn eno enp enr enu eo- eob eoc eoe eoh eol eom eon eoo eop eor eou ep- epb epc epe eph epl epm epn epo epp epr epu erb erc ere erh erl erm ern ero erp err eru eu- eub euc eue eul eun eup eur hbb hbc hbe hbh hbl hbm hbn hbo hbp hbr hbu hcb hcc hce hch hcl hcm hcn hco hcp hcr he- heb hec hee heh hel hem hen heo hep her heu hhb hhc hhe hhh hhl hhm hhn hho hhp hhr hhu hlb hlc hle hlh hll hlm hln hlo hlp hlr hlu hmb hmc hme hmh hml hmm hmo hmp hmr hmu hnb hnc hne hnh hnl hnn hno hnu hob hoc hoe hoh hol hom hon hoo hop hor hou hpb hpc hpe hph hpl hpm hpn hpo hpp hpr hpu hr- hrb hrc hre hrh hrl hrm hrn hro hrp hrr hru hub huc hue huh hul hum hun huo hup hur huu l-p lbb lbc lbe lbh lbl lbm lbo lbp lbr lbu lcb lcc lce lch lcl lcm lcn lco lcp lcr lcu leb lec lee leh lel lem len leo lep ler leu lhb lhc lhh lho lhp lhr lhu llb llc lle lll llm lln llo llp llr llu lmb lmc lme lmh lml lmm lmn lmo lmp lmr lmu lnb lnc lne lnh lnl lnm lnn lno lnp lnr lnu lob loc loe loh lol lom lon loo lop lor lou lpb lpc lpe lph lpl lpm lpn lpo lpp lpr lpu lrb lrc lrh lrm lrn lro lrp lrr lru lub luc lue luh lul lum lun luo lup lur luu m-o m-r mbb mbc mbe mbh mbl mbm mbo mbp mbr mbu mc- mcb mcc mce mch mcl mcm mcn mco mcp mcr mcu meb mec mee meh mel mem men meo mep mer meu mhc mhh mhl mhm mhn mho mhp mhr mhu mlb mlc mle mlh mll mlm mln mlo mlp mlr mlu mmb mmc mme mmh mml mmm mmn mmo mmp mmr mmu mnb mnc mne mnl mnm mnn mno mnp mnr mnu mob moc moe moh mol mom mon moo mop mor mou mpb mpc mpe mph mpl mpm mpn mpo mpp mpr mpu mrb mrc mre mrh mrl mrm mrn mro mrp mrr mru mub muc mue muh mul mum mun mup mur muu nbb nbc nbe nbl nbm nbn nbo nbp nbr nbu ncb ncc nce nch ncl ncm ncn nco ncp ncr ncu ne- neb nec nee neh nel nem nen neo nep ner neu nhb nhc nhe nhh nhl nhm nhn nhp nhr nhu nlb nlc nle nlh nll nlm nln nlo nlp nlr nlu nmb nmc nme nmh nml nmm nmn nmo nmp nmr nmu nnb nnc nne nnh nnl nnm nnn nno nnp nnu no- nob noc noe noh nol nom non noo nop nor nou npb npc npe nph npl npm npn npo npp npr npu nrb nrc nre nrl nrm nrn nro nrp nrr nru nub nuc nue nuh nul num nun nuo nup nur nuu ob- obb obc obe obh obl obm obn obo obp obr obu oc- ocb occ och ocl ocm ocn oco ocp ocr ocu oeb oec oee oeh oel oem oen oeo oep oer ohc ohe ohh ohl ohm ohn oho ohp ohr ohu olb olc ole oll olm oln olo olp olu om- omb omc ome omh oml omm omn omo omp omr omu on- onb onc one onh onl onn ono onp onr onu oo- oob ooc ooh ool oom oon ooo oop oor op- opb opc ope oph opl opm opn opo opp opr or- orb orc ore orh orl orm orn oro orp orr oru ou- ouc oue ouh oul oum oun ouo oup our p-p pbb pbc pbe pbl pbm pbn pbo pbp pbr pbu pcb pcc pce pch pcl pcm pcn pco pcp pcr pcu peb pec pee peh pel pem pen peo pep per peu phb phc phe phl phm phn pho php phr