-er -ic b-p bbb bbc bbe bbg bbh bbi bbn bbo bbp bbr bbs bcb bcc bce bcg bch bci bcn bco bcp bcr bcs be- beb bec bee beg beh bei ben beo bep ber bes bgb bgc bge bgg bgh bgi bgn bgo bgp bgr bgs bhb bhc bhe bhg bhh bhi bho bhp bhr bhs bi- bib bic bie big bih bii bin bio bip bir bis bnb bnc bne bng bni bnn bno bnp bnr bns bob boc boe bog boh boi bon boo bop bor bos bpb bpc bpe bpg bph bpi bpn bpo bpp bpr bps brb bre brg brh bri brn bro brp brr brs bsb bsc bse bsg bsh bsi bsn bso bsp bsr bss c-- cbb cbc cbe cbg cbh cbi cbn cbo cbp cbr cbs ccb ccc cce ccg cch cci ccn cco ccp ccr ccs ce- ceb cec cee ceg ceh cei cen ceo cep cer ces cgb cgc cge cgg cgh cgi cgn cgo cgp cgr cgs ch- chb chc che chg chh chi chn cho chp chr chs ci- cib cic cie cig cih cii cin cio cip cir cis cn- cnb cnc cne cng cnh cni cnn cno cnp cnr cns co- cob coc coe cog coh coi con coo cop cor cos cpb cpc cpe cpg cph cpi cpn cpo cpp cpr cps crb crc cre crg crh cri crn cro crp crr crs csb csc cse csg csh csi csn cso csp csr css ebb ebc ebe ebg ebh ebi ebn ebo ebp ebr ebs ec- ecb ecc ece ecg ech eci ecn eco ecr ecs eeb eec eee eeg een eeo eep eer ees egb egc ege egg egh egi egn ego egp egr egs ehb ehc ehe ehg ehh ehi ehn eho ehp ehr ehs eib eic eie eig eii ein eio eip eir eis en- enb enc ene eng enh eni enn eno enp enr ens eo- eob eoc eoe eog eoh eoi eon eoo eop eor eos ep- epb epc epe epg eph epi epn epo epp epr eps erb erc ere erg erh eri ern ero erp err ers es- esb esc ese esg esh esi esn eso esp esr ess g-p gbc gbe gbg gbh gbi gbn gbo gbp gbr gbs gcb gcc gce gcg gch gci gcn gco gcp gcr gcs ge- geb gec gee geg geh gei gen geo gep ger ges ggb ggc ggg ggh ggi ggn ggo ggp ggr ggs ghb ghc ghe ghg ghh ghi ghn gho ghp ghr ghs gib gic gie gig gih gii gin gio gip gir gis gnb gnc gne gni gnn gno gnp gnr gns gob goc goe gog goh goi gon goo gop gor gos gpb gpc gpe gpg gph gpi gpn gpo gpp gpr gps grb grc gre grg grh gri grn gro grp grr grs gsb gsc gse gsg gsi gsn gso gsp gsr gss h-i hbb hbc hbe hbg hbh hbi hbn hbo hbp hbr hbs hcb hcc hce hcg hch hci hcn hco hcp hcr hcs he- heb hec hee heg heh hei hen heo hep her hes hgb hgc hge hgg hgh hgi hgn hgo hgp hgr hgs hhb hhc hhe hhg hhh hhi hhn hho hhp hhr hhs hib hic hie hig hih hii hin hio hip hir his hnb hnc hne hng hnh hnn hno hns hob hoc hoe hog hoh hoi hon hoo hop hor hos hpb hpc hpe hpg hph hpi hpn hpo hpp hpr hps hr- hrb hrc hre hrg hrh hri hrn hro hrp hrr hrs hsb hsc hse hsg hsh hsi hsn hsp hsr hss ibb ibc ibe ibg ibh ibi ibn ibo ibp ibr ibs icb icc ice icg ich ici icn ico icp icr ics ie- iec iee ieg iei ien iep ier ies igb igc ige igg igh igi ign igo igp igr igs ihb ihc ihe ihg ihh ihi ihn iho ihp ihr ihs iib iic iie iih iii iin iio iip iir iis in- inb inc ine ing inh ini inn ino inp inr ins io- iob ioc ioe iog ioh ioi ion ioo iop ior ios ipb ipc ipe ipg ipi ipn ipo ipp ipr ips ir- irb irc ire irg iri irn iro irp irr irs is- isb isc ise isg ish isi isn iso isp isr iss n-i nbb nbc nbe nbg nbi nbn nbo nbp nbr nbs ncb ncc nce ncg nch nci ncn nco ncp ncr ncs ne- neb nec nee neg neh nei nen neo nep ner nes ngb ngc nge ngg ngh ngi ngn ngo ngp ngs nhb nhc nhe nhg nhh nhi nhn nhp nhr nhs nib nic nie nig nih nii nin nio nip nir nis nnb nnc nne nng nnh nni nnn nno nnp nns no- nob noc noe nog noh noi non noo nop nor nos npb npc npe npg nph npi npn npo npp npr nps nrb nrc nre nrg nri nrn nro nrp nrr nrs nsb nsc nse nsg nsh nsi nsn nso nsp nsr nss o-i ob- obb obc obe obg obh obi obn obo obp obr obs oc- ocb occ ocg och oci ocn oco ocp ocr ocs oeb oec oee oeg oeh oei oen oeo oep oer oes ogc oge ogg ogh ogi ogn ogo ogp ogs ohc ohe ohg ohh ohi ohn oho ohp ohr ohs oib oic oie oii oin oio oip oir ois on- onb onc one ong onh oni onn ono onp onr ons oo- oob ooc oog ooh ooi oon ooo oop oor oos op- opb opc ope opg oph opi opn opo opp opr ops or- orb orc ore org orh ori orn oro orp orr ors os- osb osc ose osg osh osi osn oso osp osr oss p-p pbb pbc pbe pbg pbi pbn pbo pbp pbr pbs pcb pcc pce pcg pch pci pcn pco pcp pcr pcs peb pec pee peg peh pei pen