-er -ic -up b-p b-u bbb bbc bbe bbi bbl bbm bbp bbr bbs bbt bbu bcb bcc bce bci bcl bcm bcp bcr bcs bct bcu be- beb bec bee bei bel bem bep ber bes bet beu bi- bib bic bie bii bil bim bip bir bis bit biu blb blc ble bli bll blm blp blr bls blt blu bmb bmc bme bmi bml bmm bmp bmr bms bmt bmu bpb bpc bpe bpi bpl bpm bpp bpr bps bpt bpu brb bre bri brl brm brp brr brs brt bru bsb bsc bse bsi bsl bsm bsp bsr bss bst bsu btb btc bte bti btl btm btp btr bts btt btu bub buc bue bui bul bum bup bur bus but buu c-- cbb cbc cbe cbi cbl cbm cbp cbr cbs cbt cbu ccb ccc cce cci ccl ccm ccp ccr ccs cct ccu ce- ceb cec cee cei cel cem cep cer ces cet ceu ci- cib cic cie cii cil cim cip cir cis cit ciu cl- clb clc cle cli cll clm clp clr cls clt clu cmb cmc cme cmi cml cmm cmp cmr cms cmt cmu cpb cpc cpe cpi cpl cpm cpp cpr cps cpt cpu crb crc cre cri crl crm crp crr crs crt cru csb csc cse csi csl csm csp csr css cst csu ctb ctc cte cti ctl ctm ctp ctr cts ctt ctu cub cuc cue cui cul cum cup cur cus cut cuu ebb ebc ebe ebi ebl ebm ebp ebr ebs ebt ebu ec- ecb ecc ece eci ecl ecm ecr ecs ect ecu eeb eec eee eel eem eep eer ees eet eib eic eie eii eil eim eip eir eis eit eiu elb elc ele eli ell elm elp elr els elt elu em- emb emc eme emi eml emm emp emr ems emt emu ep- epb epc epe epi epl epm epp epr eps ept epu erb erc ere eri erl erm erp err ers ert eru es- esb esc ese esi esl esm esp esr ess est esu etb etc ete eti etl etm etp etr ets ett etu eu- eub euc eue eui eul eup eur eus eut ibb ibc ibe ibi ibl ibm ibp ibr ibs ibt ibu icb icc ice ici icl icm icp icr ics ict icu ie- iec iee iei iel iem iep ier ies iet iib iic iie iii iil iim iip iir iis iit iiu il- ilb ilc ile ili ill ilm ilp ilr ils ilt ilu im- imb imc ime imi iml imm imp ims imt imu ipb ipc ipe ipi ipl ipm ipp ipr ips ipt ipu ir- irb irc ire iri irl irm irp irr irs irt iru is- isb isc ise isi isl ism isp isr iss ist isu itb itc ite iti itl itm itp its itt itu iu- iub iuc iue iui ium iup iur ius iut l-p lbb lbc lbe lbi lbl lbm lbp lbr lbs lbt lbu lcb lcc lce lci lcl lcm lcp lcr lcs lct lcu leb lec lee lei lel lem lep ler les let leu lib lic lie lii lil lim lip lir lis lit liu llb llc lle lli lll llm llp llr lls llt llu lmb lmc lme lmi lml lmm lmp lmr lms lmt lmu lpb lpc lpe lpi lpl lpm lpp lpr lps lpt lpu lrb lrc lri lrm lrp lrr lrs lrt lru lsb lsc lse lsi lsl lsm lsp lsr lss lst lsu ltb ltc lte lti ltl ltm ltp ltr lts ltt ltu lub luc lue lui lul lum lup lur lus lut luu m-r mbb mbc mbe mbi mbl mbm mbp mbr mbs mbt mbu mc- mcb mcc mce mci mcl mcm mcp mcr mcs mct mcu meb mec mee mei mel mem mep mer mes met meu mi- mib mic mie mii mil mim mip mir mis mit miu mlb mlc mle mli mll mlm mlp mlr mls mlt mlu mmb mmc mme mmi mml mmm mmp mmr mms mmt mmu mpb mpc mpe mpi mpl mpm mpp mpr mps mpt mpu mrb mrc mre mri mrl mrm mrp mrr mrs mrt mru msb msc mse msi msl msm msp msr mss mst msu mtb mtc mte mti mtl mtm mtp mtr mts mtt mtu mub muc mue mui mul mum mup mur mus mut muu p-p pbb pbc pbe pbi pbl pbm pbp pbr pbs pbt pbu pcb pcc pce pci pcl pcm pcp pcr pcs pct pcu peb pec pee pei pel pem pep per pes pet peu pib pic pie pii pil pim pip pir pis pit piu plb plc ple pli pll plm plp plr pls plt plu pmb pmc pme pmi pml pmm pmp pmr pms pmt pmu ppb ppc ppe ppi ppl ppm ppp ppr pps ppt ppu prb prc pre pri prl prm prp prr prs prt pru ps- psb psc pse psi psl psm psp psr pss pst psu pt- ptb ptc pte pti ptl ptm ptp ptr pts ptt ptu pub puc pue pui pul pum pup pur pus put puu rbb rbc rbe rbi rbl rbm rbp rbr rbs rbt rbu rcb rcc rce rci rcl rcm rcp rcr rcs rct rcu re- reb rec ree rei rel rem rep rer res ret reu rib ric rie rii ril rim rip rir ris rit rlc rle rli rll rlm rlp rlr rls rlt rlu rmb rmc rme rmi rml rmm rmp rmr rms rmt rpb rpc rpe rpi rpl rpm rpp rpr rps rpt rpu rrb rrc rri rrl rrm rrp rrr rrs rrt rru rsb rsc rse rsi rsl rsm rsp rsr rss rst rsu rtb rtc rte rti rtl rtm rtp rtr rts rtt rtu rub ruc rue rui rum rup rur rus rut ruu sbb sbc sbe sbi sbl sbm sbp sbr sbs sbt sbu scb scc sce sci scl scm scp scr scs sct