-er -up b-p b-u bbb bbc bbe bbg bbh bbp bbr bbu bcb bcc bce bcg bch bcp bcr bcu be- beb bec bee beg beh bep ber beu bgb bgc bge bgg bgh bgp bgr bgu bhb bhc bhe bhg bhh bhp bhr bhu bpb bpc bpe bpg bph bpp bpr bpu brb bre brg brh brp brr bru bub buc bue bug buh bup bur buu c-- cbb cbc cbe cbg cbh cbp cbr cbu ccb ccc cce ccg cch ccp ccr ccu ce- ceb cec cee ceg ceh cep cer ceu cgb cgc cge cgg cgh cgp cgr cgu ch- chb chc che chg chh chp chr chu cpb cpc cpe cpg cph cpp cpr cpu crb crc cre crg crh crp crr cru cub cuc cue cug cuh cup cur cuu ebb ebc ebe ebg ebh ebp ebr ebu ec- ecb ecc ece ecg ech ecr ecu eeb eec eee eeg eep eer egb egc ege egg egh egp egr egu ehb ehc ehe ehg ehh ehp ehr ehu ep- epb epc epe epg eph epp epr epu erb erc ere erg erh erp err eru eu- eub euc eue eug eup eur g-p gbc gbe gbg gbh gbp gbr gbu gcb gcc gce gcg gch gcp gcr gcu ge- geb gec gee geg geh gep ger geu ggb ggc ggg ggh ggp ggr ggu ghb ghc ghe ghg ghh ghp ghr gpb gpc gpe gpg gph gpp gpr gpu grb grc gre grg grh grp grr gru gu- gub guc gue gug gup gur guu hbb hbc hbe hbg hbh hbp hbr hbu hcb hcc hce hcg hch hcp hcr he- heb hec hee heg heh hep her heu hgb hgc hge hgg hgh hgp hgr hgu hhb hhc hhe hhg hhh hhp hhr hhu hpb hpc hpe hpg hph hpp hpr hpu hr- hrb hrc hre hrg hrh hrp hrr hru hub huc hue hug huh hup hur huu p-p pbb pbc pbe pbg pbp pbr pbu pcb pcc pce pcg pch pcp pcr pcu peb pec pee peg peh pep per peu pgb pgc pge pgg pgh pgp pgr phb phc phe phg php phr phu ppb ppc ppe ppg pph ppp ppr ppu prb prc pre prg prh prp prr pru pub puc pue pug puh pup pur puu rbb rbc rbe rbg rbh rbp rbr rbu rcb rcc rce rcg rch rcp rcr rcu re- reb rec ree reg reh rep rer reu rgb rgc rge rgg rgh rgp rgr rh- rhb rhc rhe rhg rhh rhp rhr rhu rpb rpc rpe rpg rph rpp rpr rpu rrb rrc rrg rrh rrp rrr rru rub ruc rue rug ruh rup rur ruu ubb ubc ube ubg ubh ubp ubr ubu ucb ucc uce ucg uch ucp ucr ucu ueb uec uee ueg ueh uep uer ugb ugc uge ugg ugh ugp ugr ugu uhb uhc uhe uhh uhp uhr uhu up- upb upc upe upg uph upp upr upu ur- urb urc ure urg urp urr uru uuc uue uug uur uuu

bbbb bbch bbeb bbpr bbrc bbrg bcbc bcbg bcbp bccc bcec bcer bche bcpp bcru bcuc bcup bebb bebe bech becu beeb beeg beep beer begg begu behr berc bere berg berr beru beur bhcc bher bhur bhuu bpcp bphc bprc brcb brce breb brec bree breg brep brer brrr bruc brue brug bruh brup bubb bube bubu bucc buce buch bucu buer bueu buge bugg bugh buhe buhr bupc bur- burb bure burg burh burp burr buru cbbc cbcc cbce cbcp cbcr cbcu cbec cbee cber cbgb cbpc cbpp cbre cbrh ccbc cccb cccc cccp cccu ccee ccgc cche cchp cchr ccpe ccpp ccpr ccrc ccre ccrg ccrp ccuc ccup cebp cebu cec- cece cecp ceeb ceec cege cepc cepe ceph cepp cepr cer- cerc cere cerp cgcc cgcg cger chbp chce chch chcp cheb chec chee cheh chep cher cheu chgb chge chpp chpr chrb chrc chrp chrr chub chug chur cpbc cpce cpcu cpeb cpep cper cpgb cpre crbc crbu crcc crce crcr cre- creb crec cree creg creh crep creu crpc crub crue crug crup cub- cubb cube cucc cuce cuer cupe cupp cupr curb cure curr ebbc ebbr ebcc eber ebru ebur ecbc ecbe eccb eccc ecce eche ecpg ecpp ecrc ecrr ecru eeee eerc eerg egbe egbu egcc egcg egcr egec egee eger eggb egge eggh eggp eghe eghh egpb egpe egph egre ehcc eheh eher eheu ehre epcc epch epec epee eper eph- eppc eppp eprb eprp epub erbb erbe ercc erce erch ercp ereb erec erer erg- ergg ergh erhc erhu erpe errc erre erub eruc eruh erur eubc euch euer euge eugh eur- eurc eure gc-c gcbc gccc gcpc gcrg gebe gece geep geer gege gegg gehu gepe gerb gere geru geue geup gggg gghg ghee gheg ghug gper gpgp gprp grbr grcc grce greb grec gree greg grep greu grpc grrr grub grue grug grur gubb gubu guch guep guer gugb guge gugg gugh gugu guhe guhr gurb gure gurg gurh gurr guru hcbc hccb hccc hcch hcgh hcpc hcrp hebb hebe hebr hech heeb heeg heep heer hege hegg hegh hehe hepc hepe hepp hepu herb herc here herg herp herr heru heue heug heur hggc hhgg hhhh hhpc hpcc hpgp hppe hpue hree hrpc hrpp hrrc hubb hube huch hucu huer huge hugg hugh huhu hupe hupp hure hurr huru huub pbcc pbgc pcbc pccc pcce pcep pcer pcgg pchp pcpb pcpp pcrc pcre pece pech pecr peec peep peer pegg pegh pegu pehe pehr pepe per- perc pere perg perh perp perr peru peur pgcc pgce pger pgpu pgrc pgup phcc phe- phrr ppcc pper pppp pprc ppru ppur prbc prcc prcp pre- preb prec pree preg prep preu prue pruu pu-e pube pubu puce puch puer pueu pugh pugu pupe pupu pur- purb pure purg purp purr puru puuc rbbb rbbr rbgh rcbc rccb rccc rcep rcgc rchb rcrg rebb rebe rebu recc rece rech