-er -ic -up b-p b-u bbb bbc bbe bbi bbo bbp bbr bbt bbu bbx bcb bcc bce bci bco bcp bcr bct bcu bcx be- beb bec bee bei beo bep ber bet beu bex bi- bib bic bie bii bio bip bir bit biu bix bob boc boe boi boo bop bor bot bou box bpb bpc bpe bpi bpo bpp bpr bpt bpu bpx brb bre bri bro brp brr brt bru brx btb btc bte bti bto btp btr btt btu btx bub buc bue bui buo bup bur but buu bux bxb bxi bxo bxx c-- cbb cbc cbe cbi cbo cbp cbr cbt cbu cbx ccb ccc cce cci cco ccp ccr cct ccu ccx ce- ceb cec cee cei ceo cep cer cet ceu cex ci- cib cic cie cii cio cip cir cit ciu cix co- cob coc coe coi coo cop cor cot cou cox cpb cpc cpe cpi cpo cpp cpr cpt cpu cpx crb crc cre cri cro crp crr crt cru crx ctb ctc cte cti cto ctp ctr ctt ctu ctx cub cuc cue cui cuo cup cur cut cuu cxc cxi cxo cxp cxr cxt cxx ebb ebc ebe ebi ebo ebp ebr ebt ebu ebx ec- ecb ecc ece eci eco ecr ect ecu ecx eeb eec eee eeo eep eer eet eex eib eic eie eii eio eip eir eit eiu eix eo- eob eoc eoe eoi eoo eop eor eot eou ep- epb epc epe epi epo epp epr ept epu epx erb erc ere eri ero erp err ert eru etb etc ete eti eto etp etr ett etu etx eu- eub euc eue eui eup eur eut eux ex- exc exe exi exo exp exr ext exu exx ibb ibc ibe ibi ibo ibp ibr ibt ibu ibx icb icc ice ici ico icp icr ict icu ie- iec iee iei iep ier iet iex iib iic iie iii iio iip iir iit iiu iix io- iob ioc ioe ioi ioo iop ior iot iou ipb ipc ipe ipi ipo ipp ipr ipt ipu ipx ir- irb irc ire iri iro irp irr irt iru irx itb itc ite iti ito itp itt itu itx iu- iub iuc iue iui iup iur iut ixc ixe ixi o-i ob- obb obc obe obi obo obp obr obt obu obx oc- ocb occ oci oco ocp ocr oct ocu ocx oeb oec oee oei oeo oep oer oet oex oib oic oie oii oio oip oir oit oiu oo- oob ooc ooi ooo oop oor oot oox op- opb opc ope opi opo opp opr opt opx or- orb orc ore ori oro orp orr ort oru orx ot- otb otc ote oti oto otp otr ott otu ou- ouc oue oui ouo oup our out ox- oxb oxc oxi oxo oxt oxx p-p pbb pbc pbe pbi pbo pbp pbr pbt pbu pbx pcb pcc pce pci pco pcp pcr pct pcu pcx peb pec pee pei peo pep per pet peu pex pib pic pie pii pio pip pir pit piu pix pob poc poe poi poo pop por pot pou pox ppb ppc ppe ppi ppo ppp ppr ppt ppu ppx prb prc pre pri pro prp prr prt pru prx pt- ptb ptc pte pti pto ptp ptr ptt ptu ptx pub puc pue pui pup pur put puu pxc pxe pxr pxt rbb rbc rbe rbi rbo rbp rbr rbt rbu rbx rcb rcc rce rci rco rcp rcr rct rcu rcx re- reb rec ree rei reo rep rer ret reu rex rib ric rie rii rio rip rir rit rix rob roc roe roi roo rop ror rot rou rox rpb rpc rpe rpi rpo rpp rpr rpt rpu rpx rrb rrc rri rrp rrr rrt rru rtb rtc rte rti rto rtp rtr rtt rtu rtx rub ruc rue rui ruo rup rur rut ruu rux rxp rxr t-x tbb tbc tbe tbi tbo tbp tbr tbt tbu tcb tcc tce tci tco tcp tcr tct tcu tcx te- teb tec tee tei teo tep ter tet teu tex tib tic tie tii tio tip tir tit tiu tix to- tob toc toe toi too top tor tot tou tox tpb tpc tpe tpi tpo tpp tpr tpt tpu tpx trb trc tre tri tro trp trr trt tru trx ttb ttc tte tti tto ttp ttr ttt ttu ttx tub tuc tue tui tuo tup tur tut tuu tux txe txi txt txu ubb ubc ube ubi ubo ubp ubr ubt ubu ubx 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 uox up- upb upc upe upi upo upp upr upt upu upx ur- urb urc ure uri uro urp urr urt uru urx utb utc ute uti uto utp utr utt utu utx uuc uue uur uut uuu uxb uxc uxo uxr uxt uxu xbc xbe xbr xbx xcb xci xcp xcr xcx xee xep xer xet xeu xex xic xie xii xio xit xiu xix xoc xoi xoo xop xor xot xox xpb xpc xpe xpo xpp xpt xrc xrt xrx xtc xti xtp xtr xtx xue xui xup xxi xxo xxp xxx

bbbb bbci bbeb bbet bbox 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 beux bibb bibe bibi bibo bicc bice bici bico bieb bier biet bieu bio- bioc bioi biot biou biox bipp bipu birb bire biri biro birr birt biru birx bitc bite bito bitt bitu bitx bixi bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boep boer boet boi- boie