-er -ic b-u bbb bbc bbd bbe bbg bbh bbi bbk bbl bbr bbu bcb bcc bcd bce bcg bch bci bck bcl bcr bcu bdb bdc bdd bde bdg bdh bdi bdk bdl bdr bdu be- beb bec bed bee beg beh bei bek bel ber beu bgb bgc bgd bge bgg bgh bgi bgk bgl bgr bgu bhb bhc bhd bhe bhg bhh bhi bhk bhl bhr bhu bi- bib bic bid bie big bih bii bik bil bir biu bkb bkc bke bkg bkk bkl bkr blb blc bld ble blg blh bli blk bll blr blu brb brd bre brg brh bri brk brl brr bru bub buc bud bue bug buh bui buk bul bur buu c-- cbb cbc cbd cbe cbg cbh cbi cbk cbl cbr cbu ccb ccc ccd cce ccg cch cci cck ccl ccr ccu cdb cdc cdd cde cdg cdh cdi cdk cdl cdr cdu ce- ceb cec ced cee ceg ceh cei cek cel cer ceu cgb cgc cgd cge cgg cgh cgi cgl cgr cgu ch- chb chc chd che chg chh chi chk chl chr chu ci- cib cic cid cie cig cih cii cik cil cir ciu ckb ckc ckd ckh cki cl- clb clc cld cle clg clh cli clk cll clr clu crb crc crd cre crg crh cri crk crl crr cru cub cuc cud cue cug cuh cui cuk cul cur cuu dbb dbc dbd dbe dbg dbh dbi dbk dbl dbr dbu dcb dcc dcd dce dcg dci dck dcl dcr dcu ddb ddc ddd dde ddg ddh ddi ddk ddl ddr ddu de- deb dec ded dee deg deh dei dek del der deu dgc dgd dge dgg dgh dgi dgk dgl dgr dgu dh- dhb dhc dhd dhe dhh dhi dhk dhl dhr dhu di- dib dic did die dig dih dii dik dil dir diu dkb dkc dke dkg dki dkk dkl dkr dku dl- dlb dlc dld dle dlg dlh dli dlk dll dlr dlu drb drc drd dre drg dri drk drl drr dru dub duc dud due dug duh dui duk dul dur ebb ebc ebd ebe ebg ebh ebi ebk ebl ebr ebu ec- ecb ecc ecd ece ecg ech eci eck ecl ecr ecu ed- edb edc edd ede edg edh edi edk edl edr edu eeb eec eed eee eeg eek eel eer egb egc egd ege egg egh egi egl egr egu ehb ehc ehd ehe ehg ehh ehi ehl ehr ehu eib eic eid eie eig eii eik eil eir eiu ekb ekc ekd eke ekg ekh eki ekl ekr eku elb elc eld ele elg elh eli elk ell elr elu erb erc erd ere erg erh eri erk erl err eru eu- eub euc eud eue eug eui eul eur g-d gbc gbd gbe gbg gbh gbi gbk gbl gbr gbu gcb gcc gcd gce gcg gch gci gck gcl gcr gcu gdb gdc gdd gde gdh gdi gdk gdl gdr gdu ge- geb gec ged gee geg geh gei gek gel ger geu ggb ggc ggd ggg ggh ggi ggr ggu ghb ghc ghd ghe ghg ghh ghi ghl ghr gib gic gid gie gig gih gii gik gil gir giu gkb gkd gkh glb glc gld gle glg glh gli glk gll glr glu grb grc grd gre grg grh gri grk grl grr gru gu- gub guc gud gue gug gui guk gul gur guu h-i hbb hbc hbd hbe hbg hbh hbi hbk hbl hbr hbu hcb hcc hcd hce hcg hch hci hck hcl hcr hdb hdc hdd hde hdg hdh hdi hdk hdl hdr hdu he- heb hec hed hee heg heh hei hek hel her heu hgb hgc hge hgg hgh hgi hgk hgl hgr hgu hhb hhc hhd hhe hhg hhh hhi hhk hhl hhr hhu hib hic hid hie hig hih hii hik hil hir hiu hkb hkd hkg hkh hki hkk hkl hkr hku hlb hlc hld hle hlg hlh hli hll hlr hlu hr- hrb hrc hrd hre hrg hrh hri hrk hrl hrr hru hub huc hud hue hug huh hui huk hul hur huu i-d ibb ibc ibd ibe ibg ibh ibi ibk ibl ibr ibu icb icc icd ice icg ich ici ick icl icr icu idb idc idd ide idg idh idi idk idl idr idu ie- iec ied iee ieg iei iek iel ier igb igc igd ige igg igh igi igk igl igr igu ihb ihc ihd ihe ihg ihh ihi ihk ihl ihr ihu iib iic iid iie iih iii iil iir iiu ikb ikc ike iki ikk ikl ikr iku il- ilb ilc ild ile ilg ilh ili ilk ill ilr ilu ir- irb irc ird ire irg iri irk irl irr iru iu- iub iuc iud iue iug iui iur kbb kbc kbd kbe kbh kbi kbk kbl kbr kbu kcb kcc kcd kce kcg kch kci kck kcl kcr kcu kdb kdc kde kdg kdh kdk kdl kdr kdu ke- keb kec ked kee keg keh kei kek kel ker kgb kgc kgd kgh kgi kgl kgu khe khh khi khk khr khu kib kic kid kie kig kih kii kik kil kir kiu kkb kkc kke kkh kki kkk kkl kkr kku kl- klb klc kld klg klh kli klr klu krc krd krg kri krk krl krr kru kub kuc kud kue kug kuh kui kuk kul kur kuu lbb lbc lbd lbe lbg lbh lbi lbk lbl lbr lbu lcb lcc lcd lce lcg lch lci lck lcl lcr lcu ldb ldc ldd lde ldg ldh ldi ldk ldl ldr ldu leb lec led lee leg leh lei lek lel ler leu lgb lgc lgd lge lgg lgh lgi lgk lgl lgr lgu lhb lhc lhd lhh lhi lhk lhr lhu lib lic lid lie lig lih lii lik lil lir liu lkb lkg lkh lkl lkr llb llc lld lle llg lli llk