-er -ic c-- ccc ccd cce ccg cci cco ccr ccu ccz cdc cdd cde cdg cdi cdo cdr cdu cdz ce- cec ced cee ceg cei ceo cer ceu cez cgc cgd cge cgg cgi cgo cgr cgu ci- cic cid cie cig cii cio cir ciu co- coc cod coe cog coi coo cor cou coz crc crd cre crg cri cro crr cru crz cuc cud cue cug cui cuo cur cuu cuz cz- czc czd cze czo dcc dcd dce dcg dci dco dcr dcu ddc ddd dde ddg ddi ddo ddr ddu ddz de- dec ded dee deg dei deo der deu dez dgc dgd dge dgg dgi dgr dgu dgz di- dic did die dig dii dio dir diu diz doc dod doe dog doi doo dor dou doz drc drd dre drg dri dro drr dru drz duc dud due dug dui duo dur duz dzd dze dzi dzo dzr dzu ec- ecc ecd ece ecg eci eco ecr ecu ed- edc edd ede edg edi edo edr edu eec eed eee eeg eeo eer egc egd ege egg egi ego egr egu eic eid eie eig eii eio eir eiu eo- eoc eod eoe eog eoi eoo eor eou erc erd ere erg eri ero err eru erz eu- euc eud eue eug eui eur eze ezo ezr ezz g-d gcc gcd gce gcg gci gco gcr gcu gdc gdd gde gdi gdo gdr gdu ge- gec ged gee geg gei geo ger geu gez ggc ggd ggg ggi ggo ggr ggu ggz gic gid gie gig gii gio gir giu giz goc god goe gog goi goo gor gou goz grc grd gre grg gri gro grr gru gu- guc gud gue gug gui guo gur guu guz gzo gzr gzu i-d icc icd ice icg ici ico icr icu icz idc idd ide idg idi ido idr idu ie- iec ied iee ieg iei ier igc igd ige igg igi igo igr igu iic iid iie iii iio iir iiu io- ioc iod ioe iog ioi ioo ior iou ir- irc ird ire irg iri iro irr iru iu- iuc iud iue iug iui iur iuz ize izi izo izu izz o-i oc- occ ocd ocg oci oco ocr ocu ocz odc odd ode odg odi odo odr odu oec oed oee oeg oei oeo oer ogc ogd oge ogg ogi ogo oic oid oie oii oio oir oiu oiz oo- ooc ood oog ooi ooo oor or- orc ord ore org ori oro orr oru orz ou- ouc oud oue oui ouo our oze ozo ozu ozz rcc rcd rce rcg rci rco rcr rcu rdc rdd rde rdg rdi rdo rdr rdu re- rec red ree reg rei reo rer reu rez rgc rgd rge rgg rgi rgo rgr ric rid rie rig rii rio rir riz roc rod roe rog roi roo ror rou roz rrc rrd rrg rri rrr rru ruc rud rue rug rui ruo rur ruu ruz rze rzo ucc ucd uce ucg uci uco ucr ucu udc udd ude udg udi udo udr udu uec ued uee ueg uei uer ugc uge ugg ugi ugo ugr ugu uic uid uie uig uii uio uir uiu uoc uod uoe uog uoo uor ur- urc urd ure urg uri uro urr uru urz uuc uue uug uur uuu uzi uzo uzu z-g zce zco zec zed zee zeo zer zez zgg zgi zid zie zig zio zir ziz zo- zoc zod zoe zog zoi zoo zor zou zro zuc zud zug zui zur zuz zzr zzz