-er -ic -up b-p b-u bbb bbc bbe bbi bbl bbp bbr bbt bbu bcb bcc bce bci bcl bcp bcr bct bcu be- beb bec bee bei bel bep ber bet beu bi- bib bic bie bii bil bip bir bit biu blb blc ble bli bll blp blr blt blu bpb bpc bpe bpi bpl bpp bpr bpt bpu brb bre bri brl brp brr brt bru btb btc bte bti btl btp btr btt btu bub buc bue bui bul bup bur but buu c-- cbb cbc cbe cbi cbl cbp cbr cbt cbu ccb ccc cce cci ccl ccp ccr cct ccu ce- ceb cec cee cei cel cep cer cet ceu ci- cib cic cie cii cil cip cir cit ciu cl- clb clc cle cli cll clp clr clt clu cpb cpc cpe cpi cpl cpp cpr cpt cpu crb crc cre cri crl crp crr crt cru ctb ctc cte cti ctl ctp ctr ctt ctu cub cuc cue cui cul cup cur cut cuu ebb ebc ebe ebi ebl ebp ebr ebt ebu ec- ecb ecc ece eci ecl ecr ect ecu eeb eec eee eel eep eer eet eib eic eie eii eil eip eir eit eiu elb elc ele eli ell elp elr elt elu ep- epb epc epe epi epl epp epr ept epu erb erc ere eri erl erp err ert eru etb etc ete eti etl etp etr ett etu eu- eub euc eue eui eul eup eur eut ibb ibc ibe ibi ibl ibp ibr ibt ibu icb icc ice ici icl icp icr ict icu ie- iec iee iei iel iep ier iet iib iic iie iii iil iip iir iit iiu il- ilb ilc ile ili ill ilp ilr ilt ilu ipb ipc ipe ipi ipl ipp ipr ipt ipu ir- irb irc ire iri irl irp irr irt iru itb itc ite iti itl itp itt itu iu- iub iuc iue iui iup iur iut l-p lbb lbc lbe lbi lbl lbp lbr lbt lbu lcb lcc lce lci lcl lcp lcr lct lcu leb lec lee lei lel lep ler let leu lib lic lie lii lil lip lir lit liu llb llc lle lli lll llp llr llt llu lpb lpc lpe lpi lpl lpp lpr lpt lpu lrb lrc lri lrp lrr lrt lru ltb ltc lte lti ltl ltp ltr ltt ltu lub luc lue lui lul lup lur lut luu p-p pbb pbc pbe pbi pbl pbp pbr pbt pbu pcb pcc pce pci pcl pcp pcr pct pcu peb pec pee pei pel pep per pet peu pib pic pie pii pil pip pir pit piu plb plc ple pli pll plp plr plt plu ppb ppc ppe ppi ppl ppp ppr ppt ppu prb prc pre pri prl prp prr prt pru pt- ptb ptc pte pti ptl ptp ptr ptt ptu pub puc pue pui pul pup pur put puu rbb rbc rbe rbi rbl rbp rbr rbt rbu rcb rcc rce rci rcl rcp rcr rct rcu re- reb rec ree rei rel rep rer ret reu rib ric rie rii ril rip rir rit rlc rle rli rll rlp rlr rlt rlu rpb rpc rpe rpi rpl rpp rpr rpt rpu rrb rrc rri rrl rrp rrr rrt rru rtb rtc rte rti rtl rtp rtr rtt rtu rub ruc rue rui rup rur rut ruu tbb tbc tbe tbi tbl tbp tbr tbt tbu tcb tcc tce tci tcl tcp tcr tct tcu te- teb tec tee tei tel tep ter tet teu tib tic tie tii til tip tir tit tiu tlc tle tli tll tlp tlr tlt tlu tpb tpc tpe tpi tpl tpp tpr tpt tpu trb trc tre tri trl trp trr trt tru ttb ttc tte tti ttl ttp ttr ttt ttu tub tuc tue tui tul tup tur tut tuu ubb ubc ube ubi ubl ubp ubr ubt ubu ucb ucc uce uci ucl ucp ucr uct ucu ueb uec uee uei uel uep uer uet uib uic uie uii uil uip uir uit uiu ulb ulc ule uli ull ulp ulr ult ulu up- upb upc upe upi upp upr upt upu ur- urb urc ure uri url urp urr urt uru utb utc ute uti utl utp utr utt utu uuc uue uur uut uuu

bbbb bbci bbeb bbet bblb bbpr bbrc bcbc bcbp bccc bcci bccl bcec bcer bcet bcie bcit bcpl bcpp bcru bctc bcuc bcup bebb bebe bebi beci becu beeb beel beep beer beet beic beil beir beit bele beli bell belp belt belu berc bere beri berr bert beru betc bete beti bett betu beur bibb bibe bibi bibl bicc bice bici bieb biel bier biet bieu bile bili bill bilt bilu bipp bipu birb bire biri birl birr birt biru bitc bite bitt bitu blbt blcu bleb blee blei blet bleu blic blip blir blit blrc blub blue blup blur blut bpcp bpel bprc bpti brcb brce breb brec bree brei brel brep brer bret bric brie bril brit brlp brrr brtc bruc brue brup brut btbp btcc btcl btec btie btlp btrc btrt bttb bubb bube bubi bubu bucc buce buci bucu buel buer bueu buic buie buir buit buiu bulb bule buli bull bult bulu bupc bur- burb bure buri burl burp burr burt buru but- bute buti butt cbbc cbcc cbce cbcl cbcp cbcr cbct cbcu cbec cbee cber cbet cbir cbit cblb cblc cbpc cbpp cbre cbrl cbrt cbtc cbtl ccbc cccb cccc ccci cccl cccp cccu ccee ccel ccic ccii ccil ccip ccir cclc ccli ccpe ccpl ccpp ccpr ccrc ccre ccri ccrl ccrp ccrt cctb cctc cctl cctt ccuc ccup ccut cebp cebu cec- cece ceci cecp cect ceeb ceec ceel ceil ceip cel- celc cele celi cell celt cepc cepe cepp cepr cept cer- cerc cere ceri cerl cerp cert cet- cete ceti cetp ceui cibc cibe cibi cicc cici cicr