-er -ic b-u bbb bbc bbd bbe bbg bbh bbi bbk bbl bbn bbr bbu bcb bcc bcd bce bcg bch bci bck bcl bcn bcr bcu bdb bdc bdd bde bdg bdh bdi bdk bdl bdr bdu be- beb bec bed bee beg beh bei bek bel ben ber beu bgb bgc bgd bge bgg bgh bgi bgk bgl bgn bgr bgu bhb bhc bhd bhe bhg bhh bhi bhk bhl bhr bhu bi- bib bic bid bie big bih bii bik bil bin bir biu bkb bkc bke bkg bkk bkl bkn bkr blb blc bld ble blg blh bli blk bll bln blr blu bnb bnc bnd bne bng bni bnk bnl bnn bnr bnu brb brd bre brg brh bri brk brl brn brr bru bub buc bud bue bug buh bui buk bul bun bur buu c-- cbb cbc cbd cbe cbg cbh cbi cbk cbl cbn cbr cbu ccb ccc ccd cce ccg cch cci cck ccl ccn ccr ccu cdb cdc cdd cde cdg cdh cdi cdk cdl cdn cdr cdu ce- ceb cec ced cee ceg ceh cei cek cel cen cer ceu cgb cgc cgd cge cgg cgh cgi cgl cgn cgr cgu ch- chb chc chd che chg chh chi chk chl chn chr chu ci- cib cic cid cie cig cih cii cik cil cin cir ciu ckb ckc ckd ckh cki cl- clb clc cld cle clg clh cli clk cll cln clr clu cn- cnb cnc cnd cne cng cnh cni cnl cnn cnr cnu crb crc crd cre crg crh cri crk crl crn crr cru cub cuc cud cue cug cuh cui cuk cul cun cur cuu dbb dbc dbd dbe dbg dbh dbi dbk dbl dbn dbr dbu dcb dcc dcd dce dcg dci dck dcl dcn dcr dcu ddb ddc ddd dde ddg ddh ddi ddk ddl ddn ddr ddu de- deb dec ded dee deg deh dei dek del den der deu dgc dgd dge dgg dgh dgi dgk dgl dgn dgr dgu dh- dhb dhc dhd dhe dhh dhi dhk dhl dhr dhu di- dib dic did die dig dih dii dik dil din dir diu dkb dkc dke dkg dki dkk dkl dkr dku dl- dlb dlc dld dle dlg dlh dli dlk dll dlr dlu dnb dnc dnd dne dng dnh dni dnk dnl dnn dnr drb drc drd dre drg dri drk drl drn drr dru dub duc dud due dug duh dui duk dul dun dur ebb ebc ebd ebe ebg ebh ebi ebk ebl ebn ebr ebu ec- ecb ecc ecd ece ecg ech eci eck ecl ecn ecr ecu ed- edb edc edd ede edg edh edi edk edl edn edr edu eeb eec eed eee eeg eek eel een eer egb egc egd ege egg egh egi egl egn egr egu ehb ehc ehd ehe ehg ehh ehi ehl ehn ehr ehu eib eic eid eie eig eii eik eil ein eir eiu ekb ekc ekd eke ekg ekh eki ekl ekr eku elb elc eld ele elg elh eli elk ell eln elr elu en- enb enc end ene eng enh eni enk enl enn enr enu erb erc erd ere erg erh eri erk erl ern err eru eu- eub euc eud eue eug eui eul eun eur g-d gbc gbd gbe gbg gbh gbi gbk gbl gbn gbr gbu gcb gcc gcd gce gcg gch gci gck gcl gcn gcr gcu gdb gdc gdd gde gdh gdi gdk gdl gdn gdr gdu ge- geb gec ged gee geg geh gei gek gel gen ger geu ggb ggc ggd ggg ggh ggi ggn ggr ggu ghb ghc ghd ghe ghg ghh ghi ghl ghn ghr gib gic gid gie gig gih gii gik gil gin gir giu gkb gkd gkh gkn glb glc gld gle glg glh gli glk gll gln glr glu gnb gnc gnd gne gni gnl gnn gnr gnu grb grc grd gre grg grh gri grk grl grn grr gru gu- gub guc gud gue gug gui guk gul gun gur guu h-i hbb hbc hbd hbe hbg hbh hbi hbk hbl hbn hbr hbu hcb hcc hcd hce hcg hch hci hck hcl hcn hcr hdb hdc hdd hde hdg hdh hdi hdk hdl hdn hdr hdu he- heb hec hed hee heg heh hei hek hel hen her heu hgb hgc hge hgg hgh hgi hgk hgl hgn hgr hgu hhb hhc hhd hhe hhg hhh hhi hhk hhl hhn hhr hhu hib hic hid hie hig hih hii hik hil hin hir hiu hkb hkd hkg hkh hki hkk hkl hkn hkr hku hlb hlc hld hle hlg hlh hli hll hln hlr hlu hnb hnc hnd hne hng hnh hnk hnl hnn hnu hr- hrb hrc hrd hre hrg hrh hri hrk hrl hrn hrr hru hub huc hud hue hug huh hui huk hul hun hur huu i-d ibb ibc ibd ibe ibg ibh ibi ibk ibl ibn ibr ibu icb icc icd ice icg ich ici ick icl icn icr icu idb idc idd ide idg idh idi idk idl idn idr idu ie- iec ied iee ieg iei iek iel ien ier igb igc igd ige igg igh igi igk igl ign igr igu ihb ihc ihd ihe ihg ihh ihi ihk ihl ihn ihr ihu iib iic iid iie iih iii iil iin iir iiu ikb ikc ike iki ikk ikl ikr iku il- ilb ilc ild ile ilg ilh ili ilk ill iln ilr ilu in- inb inc ind ine ing inh ini ink inl inn inr inu ir- irb irc ird ire irg iri irk irl irn irr iru iu- iub iuc iud iue iug iui iur kbb kbc kbd kbe kbh kbi kbk kbl kbn kbr kbu kcb kcc kcd kce kcg kch kci kck kcl kcn kcr kcu kdb kdc kde kdg kdh kdk kdl kdr kdu ke- keb kec ked kee keg keh kei kek