-er -ic b-u bbb bbc bbd bbe bbg bbi bbn bbo bbr bbt bbu bcb bcc bcd bce bcg bci bcn bco bcr bct bcu bdb bdc bdd bde bdg bdi bdo bdr bdt bdu be- beb bec bed bee beg bei ben beo ber bet beu bgb bgc bgd bge bgg bgi bgn bgo bgr bgt bgu bi- bib bic bid bie big bii bin bio bir bit biu bnb bnc bnd bne bng bni bnn bno bnr bnt bnu bob boc bod boe bog boi bon boo bor bot bou brb brd bre brg bri brn bro brr brt bru btb btc btd bte btg bti btn bto btr btt btu bub buc bud bue bug bui bun buo bur but buu c-- cbb cbc cbd cbe cbg cbi cbn cbo cbr cbt cbu ccb ccc ccd cce ccg cci ccn cco ccr cct ccu cdb cdc cdd cde cdg cdi cdn cdo cdr cdt cdu ce- ceb cec ced cee ceg cei cen ceo cer cet ceu cgb cgc cgd cge cgg cgi cgn cgo cgr cgt cgu ci- cib cic cid cie cig cii cin cio cir cit ciu cn- cnb cnc cnd cne cng cni cnn cno cnr cnt cnu co- cob coc cod coe cog coi con coo cor cot cou crb crc crd cre crg cri crn cro crr crt cru ctb ctc ctd cte ctg cti ctn cto ctr ctt ctu cub cuc cud cue cug cui cun cuo cur cut cuu dbb dbc dbd dbe dbg dbi dbn dbo dbr dbt dbu dcb dcc dcd dce dcg dci dcn dco dcr dct dcu ddb ddc ddd dde ddg ddi ddn ddo ddr ddt ddu de- deb dec ded dee deg dei den deo der det deu dgc dgd dge dgg dgi dgn dgr dgt dgu di- dib dic did die dig dii din dio dir dit diu dnb dnc dnd dne dng dni dnn dno dnr dnt dob doc dod doe dog doi don doo dor dot dou drb drc drd dre drg dri drn dro drr drt dru dtb dtc dtd dte dtg dti dtn dto dtr dtt dtu dub duc dud due dug dui dun duo dur dut ebb ebc ebd ebe ebg ebi ebn ebo ebr ebt ebu ec- ecb ecc ecd ece ecg eci ecn eco ecr ect ecu ed- edb edc edd ede edg edi edn edo edr edt edu eeb eec eed eee eeg een eeo eer eet egb egc egd ege egg egi egn ego egr egt egu eib eic eid eie eig eii ein eio eir eit eiu en- enb enc end ene eng eni enn eno enr ent enu eo- eob eoc eod eoe eog eoi eon eoo eor eot eou erb erc erd ere erg eri ern ero err ert eru etb etc etd ete etg eti etn eto etr ett etu eu- eub euc eud eue eug eui eun eur eut g-d gbc gbd gbe gbg gbi gbn gbo gbr gbt gbu gcb gcc gcd gce gcg gci gcn gco gcr gct gcu gdb gdc gdd gde gdi gdn gdo gdr gdt gdu ge- geb gec ged gee geg gei gen geo ger get geu ggb ggc ggd ggg ggi ggn ggo ggr ggt ggu gib gic gid gie gig gii gin gio gir git giu gnb gnc gnd gne gni gnn gno gnr gnt gnu gob goc god goe gog goi gon goo gor got gou grb grc grd gre grg gri grn gro grr grt gru gtb gtc gtd gte gtg gti gtn gto gtr gtt gtu gu- gub guc gud gue gug gui gun guo gur gut guu i-d ibb ibc ibd ibe ibg ibi ibn ibo ibr ibt ibu icb icc icd ice icg ici icn ico icr ict icu idb idc idd ide idg idi idn ido idr idt idu ie- iec ied iee ieg iei ien ier iet igb igc igd ige igg igi ign igo igr igt igu iib iic iid iie iii iin iio iir iit iiu in- inb inc ind ine ing ini inn ino inr int inu io- iob ioc iod ioe iog ioi ion ioo ior iot iou ir- irb irc ird ire irg iri irn iro irr irt iru itb itc itd ite itg iti itn ito itt itu iu- iub iuc iud iue iug iui iur iut n-i nbb nbc nbd nbe nbg nbi nbn nbo nbr nbt nbu ncb ncc ncd nce ncg nci ncn nco ncr nct ncu ndb ndc ndd nde ndg ndi ndn ndo ndr ndt ndu ne- neb nec ned nee neg nei nen neo ner net neu ngb ngc ngd nge ngg ngi ngn ngo ngt ngu nib nic nid nie nig nii nin nio nir nit niu nnb nnc nne nng nni nnn nno nnt nnu no- nob noc nod noe nog noi non noo nor not nou nrb nrc nrd nre nrg nri nrn nro nrr nrt nru ntb ntc ntd nte ntg nti ntn nto ntr ntt ntu nub nuc nud nue nug nui nun nuo nur nut nuu o-i ob- obb obc obd obe obg obi obn obo obr obt obu oc- ocb occ ocd ocg oci ocn oco ocr oct ocu odb odc odd ode odg odi odn odo odr odt odu oeb oec oed oee oeg oei oen oeo oer oet ogc ogd oge ogg ogi ogn ogo ogt oib oic oid oie oii oin oio oir oit oiu on- onb onc ond one ong oni onn ono onr ont onu oo- oob ooc ood oog ooi oon ooo oor oot or- orb orc ord ore org ori orn oro orr ort oru ot- otb otc otd ote otg oti otn oto otr ott otu ou- ouc oud oue oui oun ouo our out rbb rbc rbd rbe rbg rbi rbn rbo rbr rbt rbu rcb rcc rcd rce rcg rci rcn rco rcr rct rcu rdb rdc rdd rde rdg rdi rdn rdo rdr