-er -ic c-- ccc ccd cce ccg cci ccl ccr ccu ccz cdc cdd cde cdg cdi cdl cdr cdu cdz ce- cec ced cee ceg cei cel cer ceu cez cgc cgd cge cgg cgi cgl cgr cgu ci- cic cid cie cig cii cil cir ciu cl- clc cld cle clg cli cll clr clu clz crc crd cre crg cri crl crr cru crz cuc cud cue cug cui cul cur cuu cuz cz- czc czd cze dcc dcd dce dcg dci dcl dcr dcu ddc ddd dde ddg ddi ddl ddr ddu ddz de- dec ded dee deg dei del der deu dez dgc dgd dge dgg dgi dgl dgr dgu dgz di- dic did die dig dii dil dir diu diz dl- dlc dld dle dlg dli dll dlr dlu drc drd dre drg dri drl drr dru drz duc dud due dug dui dul dur duz dzd dze dzi dzr dzu ec- ecc ecd ece ecg eci ecl ecr ecu ed- edc edd ede edg edi edl edr edu eec eed eee eeg eel eer egc egd ege egg egi egl egr egu eic eid eie eig eii eil eir eiu elc eld ele elg eli ell elr elu elz erc erd ere erg eri erl err eru erz eu- euc eud eue eug eui eul eur eze ezr ezz g-d gcc gcd gce gcg gci gcl gcr gcu gdc gdd gde gdi gdl gdr gdu ge- gec ged gee geg gei gel ger geu gez ggc ggd ggg ggi ggr ggu ggz gic gid gie gig gii gil gir giu giz glc gld gle glg gli gll glr glu glz grc grd gre grg gri grl grr gru gu- guc gud gue gug gui gul gur guu guz gzr gzu i-d icc icd ice icg ici icl icr icu icz idc idd ide idg idi idl idr idu ie- iec ied iee ieg iei iel ier igc igd ige igg igi igl igr igu iic iid iie iii iil iir iiu il- ilc ild ile ilg ili ill ilr ilu ilz ir- irc ird ire irg iri irl irr iru iu- iuc iud iue iug iui iur iuz ize izi izu izz lcc lcd lce lcg lci lcl lcr lcu ldc ldd lde ldg ldi ldl ldr ldu lec led lee leg lei lel ler leu lez lgc lgd lge lgg lgi lgl lgr lgu lic lid lie lig lii lil lir liu liz llc lld lle llg lli lll llr llu llz lrc lrd lrg lri lrr lru lrz luc lud lue lug lui lul lur luu luz lzi lzr lzu rcc rcd rce rcg rci rcl rcr rcu rdc rdd rde rdg rdi rdl rdr rdu re- rec red ree reg rei rel rer reu rez rgc rgd rge rgg rgi rgr ric rid rie rig rii ril rir riz rlc rld rle rlg rli rll rlr rlu rrc rrd rrg rri rrl rrr rru ruc rud rue rug rui rur ruu ruz rze ucc ucd uce ucg uci ucl ucr ucu udc udd ude udg udi udl udr udu uec ued uee ueg uei uel uer ugc uge ugg ugi ugl ugr ugu uic uid uie uig uii uil uir uiu ulc uld ule ulg uli ull ulr ulu ur- urc urd ure urg uri url urr uru urz uuc uue uug uur uuu uzi uzu z-g zce zcl zec zed zee zel zer zez zgg zgi zid zie zig zil zir ziz zlr zrl zuc zud zug zui zul zur zuz zzr zzz