-er -ic b-p bbb bbc bbe bbg bbh bbi bbn bbo bbp bbr bcb bcc bce bcg bch bci bcn bco bcp bcr be- beb bec bee beg beh bei ben beo bep ber bgb bgc bge bgg bgh bgi bgn bgo bgp bgr bhb bhc bhe bhg bhh bhi bho bhp bhr bi- bib bic bie big bih bii bin bio bip bir bnb bnc bne bng bni bnn bno bnp bnr bob boc boe bog boh boi bon boo bop bor bpb bpc bpe bpg bph bpi bpn bpo bpp bpr brb bre brg brh bri brn bro brp brr c-- cbb cbc cbe cbg cbh cbi cbn cbo cbp cbr ccb ccc cce ccg cch cci ccn cco ccp ccr ce- ceb cec cee ceg ceh cei cen ceo cep cer cgb cgc cge cgg cgh cgi cgn cgo cgp cgr ch- chb chc che chg chh chi chn cho chp chr ci- cib cic cie cig cih cii cin cio cip cir cn- cnb cnc cne cng cnh cni cnn cno cnp cnr co- cob coc coe cog coh coi con coo cop cor cpb cpc cpe cpg cph cpi cpn cpo cpp cpr crb crc cre crg crh cri crn cro crp crr ebb ebc ebe ebg ebh ebi ebn ebo ebp ebr ec- ecb ecc ece ecg ech eci ecn eco ecr eeb eec eee eeg een eeo eep eer egb egc ege egg egh egi egn ego egp egr ehb ehc ehe ehg ehh ehi ehn eho ehp ehr eib eic eie eig eii ein eio eip eir en- enb enc ene eng enh eni enn eno enp enr eo- eob eoc eoe eog eoh eoi eon eoo eop eor ep- epb epc epe epg eph epi epn epo epp epr erb erc ere erg erh eri ern ero erp err g-p gbc gbe gbg gbh gbi gbn gbo gbp gbr gcb gcc gce gcg gch gci gcn gco gcp gcr ge- geb gec gee geg geh gei gen geo gep ger ggb ggc ggg ggh ggi ggn ggo ggp ggr ghb ghc ghe ghg ghh ghi ghn gho ghp ghr gib gic gie gig gih gii gin gio gip gir gnb gnc gne gni gnn gno gnp gnr gob goc goe gog goh goi gon goo gop gor gpb gpc gpe gpg gph gpi gpn gpo gpp gpr grb grc gre grg grh gri grn gro grp grr h-i hbb hbc hbe hbg hbh hbi hbn hbo hbp hbr hcb hcc hce hcg hch hci hcn hco hcp hcr he- heb hec hee heg heh hei hen heo hep her hgb hgc hge hgg hgh hgi hgn hgo hgp hgr hhb hhc hhe hhg hhh hhi hhn hho hhp hhr hib hic hie hig hih hii hin hio hip hir hnb hnc hne hng hnh hnn hno hob hoc hoe hog hoh hoi hon hoo hop hor hpb hpc hpe hpg hph hpi hpn hpo hpp hpr hr- hrb hrc hre hrg hrh hri hrn hro hrp hrr ibb ibc ibe ibg ibh ibi ibn ibo ibp ibr icb icc ice icg ich ici icn ico icp icr ie- iec iee ieg iei ien iep ier igb igc ige igg igh igi ign igo igp igr ihb ihc ihe ihg ihh ihi ihn iho ihp ihr iib iic iie iih iii iin iio iip iir in- inb inc ine ing inh ini inn ino inp inr io- iob ioc ioe iog ioh ioi ion ioo iop ior ipb ipc ipe ipg ipi ipn ipo ipp ipr ir- irb irc ire irg iri irn iro irp irr n-i nbb nbc nbe nbg nbi nbn nbo nbp nbr ncb ncc nce ncg nch nci ncn nco ncp ncr ne- neb nec nee neg neh nei nen neo nep ner ngb ngc nge ngg ngh ngi ngn ngo ngp nhb nhc nhe nhg nhh nhi nhn nhp nhr nib nic nie nig nih nii nin nio nip nir nnb nnc nne nng nnh nni nnn nno nnp no- nob noc noe nog noh noi non noo nop nor npb npc npe npg nph npi npn npo npp npr nrb nrc nre nrg nri nrn nro nrp nrr o-i ob- obb obc obe obg obh obi obn obo obp obr oc- ocb occ ocg och oci ocn oco ocp ocr oeb oec oee oeg oeh oei oen oeo oep oer ogc oge ogg ogh ogi ogn ogo ogp ohc ohe ohg ohh ohi ohn oho ohp ohr oib oic oie oii oin oio oip oir on- onb onc one ong onh oni onn ono onp onr oo- oob ooc oog ooh ooi oon ooo oop oor op- opb opc ope opg oph opi opn opo opp opr or- orb orc ore org orh ori orn oro orp orr p-p pbb pbc pbe pbg pbi pbn pbo pbp pbr pcb pcc pce pcg pch pci pcn pco pcp pcr peb pec pee peg peh pei pen peo pep per pgb pgc pge pgg pgh pgi pgn pgo pgp pgr phb phc phe phg phi phn pho php phr pib pic pie pig pih pii pin pio pip pir pn- pnb pnc pne png pnh pni pnn pno pnp pnr pob poc poe pog poh poi pon poo pop por ppb ppc ppe ppg pph ppi ppn ppo ppp ppr prb prc pre prg prh pri prn pro prp prr rbb rbc rbe rbg rbh rbi rbn rbo rbp rbr rcb rcc rce rcg rch rci rcn rco rcp rcr re- reb rec ree reg reh rei ren reo rep rer rgb rgc rge rgg rgh rgi rgn rgo rgp rgr rh- rhb rhc rhe rhg rhh rhi rhn rho rhp rhr rib ric rie rig rih rii rin rio rip rir rnb rnc rng rnh rni rnn rno rnp rnr rob roc roe rog roh roi ron roo rop ror rpb rpc rpe rpg rph rpi rpn rpo rpp rpr rrb rrc rrg rrh rri rrn rrp