-er -ic -up b-p b-u bbb bbc bbe bbi bbo bbp bbr bbt bbu bcb bcc bce bci bco bcp bcr bct bcu be- beb bec bee bei beo bep ber bet beu bi- bib bic bie bii bio bip bir bit biu bob boc boe boi boo bop bor bot bou bpb bpc bpe bpi bpo bpp bpr bpt bpu brb bre bri bro brp brr brt bru btb btc bte bti bto btp btr btt btu bub buc bue bui buo bup bur but buu c-- cbb cbc cbe cbi cbo cbp cbr cbt cbu ccb ccc cce cci cco ccp ccr cct ccu ce- ceb cec cee cei ceo cep cer cet ceu ci- cib cic cie cii cio cip cir cit ciu co- cob coc coe coi coo cop cor cot cou cpb cpc cpe cpi cpo cpp cpr cpt cpu crb crc cre cri cro crp crr crt cru ctb ctc cte cti cto ctp ctr ctt ctu cub cuc cue cui cuo cup cur cut cuu ebb ebc ebe ebi ebo ebp ebr ebt ebu ec- ecb ecc ece eci eco ecr ect ecu eeb eec eee eeo eep eer eet eib eic eie eii eio eip eir eit eiu eo- eob eoc eoe eoi eoo eop eor eot eou ep- epb epc epe epi epo epp epr ept epu erb erc ere eri ero erp err ert eru etb etc ete eti eto etp etr ett etu eu- eub euc eue eui eup eur eut ibb ibc ibe ibi ibo ibp ibr ibt ibu icb icc ice ici ico icp icr ict icu ie- iec iee iei iep ier iet iib iic iie iii iio iip iir iit iiu io- iob ioc ioe ioi ioo iop ior iot iou ipb ipc ipe ipi ipo ipp ipr ipt ipu ir- irb irc ire iri iro irp irr irt iru itb itc ite iti ito itp itt itu iu- iub iuc iue iui iup iur iut o-i ob- obb obc obe obi obo obp obr obt obu oc- ocb occ oci oco ocp ocr oct ocu oeb oec oee oei oeo oep oer oet oib oic oie oii oio oip oir oit oiu oo- oob ooc ooi ooo oop oor oot op- opb opc ope opi opo opp opr opt or- orb orc ore ori oro orp orr ort oru ot- otb otc ote oti oto otp otr ott otu ou- ouc oue oui ouo oup our out p-p pbb pbc pbe pbi pbo pbp pbr pbt pbu pcb pcc pce pci pco pcp pcr pct pcu peb pec pee pei peo pep per pet peu pib pic pie pii pio pip pir pit piu pob poc poe poi poo pop por pot pou ppb ppc ppe ppi ppo ppp ppr ppt ppu prb prc pre pri pro prp prr prt pru pt- ptb ptc pte pti pto ptp ptr ptt ptu pub puc pue pui pup pur put puu rbb rbc rbe rbi rbo rbp rbr rbt rbu rcb rcc rce rci rco rcp rcr rct rcu re- reb rec ree rei reo rep rer ret reu rib ric rie rii rio rip rir rit rob roc roe roi roo rop ror rot rou rpb rpc rpe rpi rpo rpp rpr rpt rpu rrb rrc rri rrp rrr rrt rru rtb rtc rte rti rto rtp rtr rtt rtu rub ruc rue rui ruo rup rur rut ruu tbb tbc tbe tbi tbo tbp tbr tbt tbu tcb tcc tce tci tco tcp tcr tct tcu te- teb tec tee tei teo tep ter tet teu tib tic tie tii tio tip tir tit tiu to- tob toc toe toi too top tor tot tou tpb tpc tpe tpi tpo tpp tpr tpt tpu trb trc tre tri tro trp trr trt tru ttb ttc tte tti tto ttp ttr ttt ttu tub tuc tue tui tuo tup tur tut tuu ubb ubc ube ubi ubo ubp ubr ubt ubu ucb ucc uce uci uco ucp ucr uct ucu ueb uec uee uei uep uer uet uib uic uie uii uio uip uir uit uiu uob uoc uoe uoo uop uor uot up- upb upc upe upi upo upp upr upt upu ur- urb urc ure uri uro urp urr urt uru utb utc ute uti uto utp utr utt utu uuc uue uur uut uuu

bbbb bbci bbeb bbet bbpr bbrc bcbc bcbp bccc bcci bcec bcer bcet bcie bcit bcor bcpp bcru bctc bcuc bcup bebb bebe bebi bebo beci becu beeb beep beer beet beic beir beit beo- beor beot bepo berc bere beri bero berr bert beru betc bete beti beto bett betu beur bibb bibe bibi bibo bicc bice bici bico bieb bier biet bieu bio- bioc bioi biot biou bipp bipu birb bire biri biro birr birt biru bitc bite bito bitt bitu bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boep boer boet boi- boie boii boit boiu boob booc booe boop boor boot bope bopp bor- bore bori boro borr bort boru botb bote boti boto bott boue boup bour bout bpcp bpoe bpot bprc bpti brcb brce breb brec bree brei breo brep brer bret bric brie brio brit brob broc broe broo bror brot brou brrr brtc bruc brue brup brut btbp btcc btec btie btob btor btrc btrt bttb bubb bube bubi bubo bubu bucc buce buci buco bucu buer bueu buic buie buir buit buiu bupc bur- burb bure buri buro burp burr burt buru but- bute buti buto butt c-bo cbbc cbcc cbce cbcp cbcr cbct cbcu cbec cbee cber cbet cbir cbit cbot cbpc cbpp cbre cbrt cbtc ccbc cccb cccc ccci cccp cccu ccee ccic ccii ccip ccir ccob ccoc ccpe ccpp ccpr ccrc ccre ccri ccrp ccrt cctb cctc cctt ccuc ccup ccut cebp cebu cec- cece ceci ceco cecp cect ceeb ceec ceip ceop ceor ceou cepc cepe cepo cepp cepr cept cer- cerc