-er -ol -up b-p b-u bbb bbe bbf bbi bbl bbm bbo bbp bbr bbt bbu be- beb bee bef bei bel bem beo bep ber bet beu bfb bfe bff bfi bfl bfm bfo bfp bfr bft bfu bi- bib bie bif bii bil bim bio bip bir bit biu blb ble blf bli bll blm blo blp blr blt blu bmb bme bmf bmi bml bmm bmo bmp bmr bmt bmu bob boe bof boi bol bom boo bop bor bot bou bpb bpe bpf bpi bpl bpm bpo bpp bpr bpt bpu brb bre brf bri brl brm bro brp brr brt bru btb bte btf bti btl btm bto btp btr btt btu bub bue buf bui bul bum buo bup bur but buu ebb ebe ebf ebi ebl ebm ebo ebp ebr ebt ebu eeb eee eef eel eem eeo eep eer eet ef- efb efe eff efi efl efm efo efp efr eft eib eie eif eii eil eim eio eip eir eit eiu elb ele elf eli ell elm elo elp elr elt elu em- emb eme emf emi eml emm emo emp emr emt emu eo- eob eoe eof eoi eol eom eoo eop eor eot eou ep- epb epe epf epi epl epm epo epp epr ept epu erb ere erf eri erl erm ero erp err ert eru etb ete etf eti etl etm eto etp etr ett etu eu- eub eue euf eui eul eup eur eut fbb fbe fbf fbi fbl fbm fbo fbp fbr fbt fbu feb fee fef fei fel fem feo fep fer fet feu ffe fff ffi ffl ffm ffo ffp ffr fft ffu fib fie fif fii fil fim fip fir fit fiu flb fle flf fli fll flm flo flp flr flt flu fmb fme fmf fmi fml fmm fmo fmp fmr fmt fmu fob foe fof foi fol fom foo fop for fot fou fpb fpe fpi fpl fpm fpo fpp fpr fpt fpu frb fre frf fri frl frm fro frp frr frt fru ftb fte ftf fti ftl ftm fto ftp ftr ftt ftu fub fue fuf fui ful fum fuo fup fur fut fuu i-f ibb ibe ibf ibi ibl ibm ibo ibp ibr ibt ibu ie- iee ief iei iel iem iep ier iet ifb ife iff ifi ifl ifm ifo ifp ifr ift ifu iib iie iif iii iil iim iio iip iir iit iiu il- ilb ile ilf ili ill ilm ilo ilp ilr ilt ilu im- imb ime imf imi iml imm imo imp imt imu io- iob ioe iof ioi iol iom ioo iop ior iot iou ipb ipe ipf ipi ipl ipm ipo ipp ipr ipt ipu ir- irb ire irf iri irl irm iro irp irr irt iru itb ite itf iti itl itm ito itp itt itu iu- iub iue iui ium iup iur iut l-p lbb lbe lbf lbi lbl lbm lbo lbp lbr lbt lbu leb lee lef lei lel lem leo lep ler let leu lfb lfe lff lfi lfl lfm lfo lfp lfr lft lfu lib lie lif lii lil lim lio lip lir lit liu llb lle llf lli lll llm llo llp llr llt llu lmb lme lmf lmi lml lmm lmo lmp lmr lmt lmu lob loe lof loi lol lom loo lop lor lot lou lpb lpe lpf lpi lpl lpm lpo lpp lpr lpt lpu lrb lrf lri lrm lro lrp lrr lrt lru ltb lte ltf lti ltl ltm lto ltp ltr ltt ltu lub lue luf lui lul lum luo lup lur lut luu m-f m-o m-r mbb mbe mbf mbi mbl mbm mbo mbp mbr mbt mbu meb mee mef mei mel mem meo mep mer met meu mfb mfe mff mfi mfl mfm mfo mfp mfr mft mfu mi- mib mie mif mii mil mim mio mip mir mit miu mlb mle mlf mli mll mlm mlo mlp mlr mlt mlu mmb mme mmf mmi mml mmm mmo mmp mmr mmt mmu mob moe mof moi mol mom moo mop mor mot mou mpb mpe mpf mpi mpl mpm mpo mpp mpr mpt mpu mrb mre mrf mri mrl mrm mro mrp mrr mrt mru mtb mte mtf mti mtl mtm mto mtp mtr mtt mtu mub mue muf mui mul mum mup mur mut muu o-i ob- obb obe obf obi obl obm obo obp obr obt obu oeb oee oef oei oel oem oeo oep oer oet of- ofb ofe off ofi ofl ofm ofo ofp ofr oft ofu oib oie oif oii oil oim oio oip oir oit oiu olb ole olf oli oll olm olo olp olt olu om- omb ome omf omi oml omm omo omp omr omt omu oo- oob oof ooi ool oom ooo oop oor oot op- opb ope opf opi opl opm opo opp opr opt or- orb ore orf ori orl orm oro orp orr ort oru ot- otb ote otf oti otl otm oto otp otr ott otu ou- oue ouf oui oul oum ouo oup our out p-p pbb pbe pbf pbi pbl pbm pbo pbp pbr pbt pbu peb pee pef pei pel pem peo pep per pet peu pfb pfe pff pfi pfl pfm pfo pfp pfr pft pfu pib pie pif pii pil pim pio pip pir pit piu plb ple plf pli pll plm plo plp plr plt plu pmb pme pmf pmi pml pmm pmo pmp pmr pmt pmu pob poe pof poi pol pom poo pop por pot pou ppb ppe ppf ppi ppl ppm ppo ppp ppr ppt ppu prb pre prf pri prl prm pro prp prr prt pru pt- ptb pte ptf pti ptl ptm pto ptp ptr ptt ptu pub pue puf pui pul pum pup pur put puu rbb rbe rbf rbi rbl rbm rbo rbp rbr rbt rbu re- reb ree ref rei rel rem reo rep rer ret reu rfb rfe rff