-er -ic b-u bbb bbc bbd bbe bbg bbi bbl bbr bbu bcb bcc bcd bce bcg bci bcl bcr bcu bdb bdc bdd bde bdg bdi bdl bdr bdu be- beb bec bed bee beg bei bel ber beu bgb bgc bgd bge bgg bgi bgl bgr bgu bi- bib bic bid bie big bii bil bir biu blb blc bld ble blg bli bll blr blu brb brd bre brg bri brl brr bru bub buc bud bue bug bui bul bur buu c-- cbb cbc cbd cbe cbg cbi cbl cbr cbu ccb ccc ccd cce ccg cci ccl ccr ccu cdb cdc cdd cde cdg cdi cdl cdr cdu ce- ceb cec ced cee ceg cei cel cer ceu cgb cgc cgd cge cgg cgi cgl cgr cgu ci- cib cic cid cie cig cii cil cir ciu cl- clb clc cld cle clg cli cll clr clu crb crc crd cre crg cri crl crr cru cub cuc cud cue cug cui cul cur cuu dbb dbc dbd dbe dbg dbi dbl dbr dbu dcb dcc dcd dce dcg dci dcl dcr dcu ddb ddc ddd dde ddg ddi ddl ddr ddu de- deb dec ded dee deg dei del der deu dgc dgd dge dgg dgi dgl dgr dgu di- dib dic did die dig dii dil dir diu dl- dlb dlc dld dle dlg dli dll dlr dlu drb drc drd dre drg dri drl drr dru dub duc dud due dug dui dul dur ebb ebc ebd ebe ebg ebi ebl ebr ebu ec- ecb ecc ecd ece ecg eci ecl ecr ecu ed- edb edc edd ede edg edi edl edr edu eeb eec eed eee eeg eel eer egb egc egd ege egg egi egl egr egu eib eic eid eie eig eii eil eir eiu elb elc eld ele elg eli ell elr elu erb erc erd ere erg eri erl err eru eu- eub euc eud eue eug eui eul eur g-d gbc gbd gbe gbg gbi gbl gbr gbu gcb gcc gcd gce gcg gci gcl gcr gcu gdb gdc gdd gde gdi gdl gdr gdu ge- geb gec ged gee geg gei gel ger geu ggb ggc ggd ggg ggi ggr ggu gib gic gid gie gig gii gil gir giu glb glc gld gle glg gli gll glr glu grb grc grd gre grg gri grl grr gru gu- gub guc gud gue gug gui gul gur guu i-d ibb ibc ibd ibe ibg ibi ibl ibr ibu icb icc icd ice icg ici icl icr icu idb idc idd ide idg idi idl idr idu ie- iec ied iee ieg iei iel ier igb igc igd ige igg igi igl igr igu iib iic iid iie iii iil iir iiu il- ilb ilc ild ile ilg ili ill ilr ilu ir- irb irc ird ire irg iri irl irr iru iu- iub iuc iud iue iug iui iur lbb lbc lbd lbe lbg lbi lbl lbr lbu lcb lcc lcd lce lcg lci lcl lcr lcu ldb ldc ldd lde ldg ldi ldl ldr ldu leb lec led lee leg lei lel ler leu lgb lgc lgd lge lgg lgi lgl lgr lgu lib lic lid lie lig lii lil lir liu llb llc lld lle llg lli lll llr llu lrb lrc lrd lrg lri lrr lru lub luc lud lue lug lui lul lur luu rbb rbc rbd rbe rbg rbi rbl rbr rbu rcb rcc rcd rce rcg rci rcl rcr rcu rdb rdc rdd rde rdg rdi rdl rdr rdu re- reb rec red ree reg rei rel rer reu rgb rgc rgd rge rgg rgi rgr rib ric rid rie rig rii ril rir rlc rld rle rlg rli rll rlr rlu rrb rrc rrd rrg rri rrl rrr rru rub ruc rud rue rug rui rur ruu ubb ubc ube ubg ubi ubl ubr ubu ucb ucc ucd uce ucg uci ucl ucr ucu udb udc udd ude udg udi udl udr udu ueb uec ued uee ueg uei uel uer ugb ugc uge ugg ugi ugl ugr ugu uib uic uid uie uig uii uil uir uiu ulb ulc uld ule ulg uli ull ulr ulu ur- urb urc urd ure urg uri url urr uru uuc uue uug uur uuu

bbbb bbci bbdd bbeb bblb bbrc bbrg bcbc bcbg bccc bcci bccl bcde bcec bcer bcie bcru bcuc bd-r bdbc bddc bdii bdle bebb bebe bebi beci becu bede bedi bedl bedu beeb beed beeg beel beer begg begi begu beic beil beir beld bele belg beli bell belu berc berd bere berg beri berr beru beur bibb bibe bibi bibl bicc bice bicg bici bide bidi bidr bidu bieb bied biel bier bieu bigb bigc bigd bige bigg bigu bild bile bili bill bilu birb bird bire birg biri birl birr biru blcu bldc bldg bldr bleb bled blee bleg blei bleu blic blir blrc blrg blub blud blue blur brcb brce breb brec bred bree breg brei brel brer bric brid brie brig bril brrr bruc brud brue brug bubb bube bubi bubu bucc buce buci bucu budb budd bude budg budi budl budu buel buer bueu buge bugg bugi buic buid buie buir buiu bulb buld bule bulg buli bull bulu bur- burb burd bure burg buri burl burr buru c-cd cbbc cbcc cbce cbcl cbcr cbcu cbdb cbdc cbdi cbec cbee cber cbgb cbid cbir cblb cblc cbrd cbre cbrl ccbc cccb cccc ccci cccl cccu ccdc ccdi ccdr cced ccee ccel ccgc ccic ccid ccii ccil ccir cclc cclg ccli ccrc ccre ccrg ccri ccrl ccuc cd-e cd-r cddb cddl cddr cdec cder cdic cdii cdli cdre cebu cec- cece ceci cedd cede cedi cedu ceeb ceec ceel cege ceil cel- celc cele celi cell cer- cerc cerd cere ceri cerl ceui cgcc cgcg cged cgel cger cibc cibe cibi cicc cici cicr cicu cidc cide cidg cidi cidr ciee ciel