-er -ic b-p bbb bbc bbe bbg bbi bbk bbn bbo bbp bbr bbw bcb bcc bce bcg bci bck bcn bco bcp bcr be- beb bec bee beg bei bek ben beo bep ber bew bgb bgc bge bgg bgi bgk bgn bgo bgp bgr bgw bi- bib bic bie big bii bik bin bio bip bir biw bkb bkc bke bkg bkk bkn bko bkp bkr bkw bnb bnc bne bng bni bnk bnn bno bnp bnr bnw bob boc boe bog boi bok bon boo bop bor bow bpb bpc bpe bpg bpi bpn bpo bpp bpr bpw brb bre brg bri brk brn bro brp brr brw bwb bwc bwg bwi bwk bwo bwp bwr c-- cbb cbc cbe cbg cbi cbk cbn cbo cbp cbr cbw ccb ccc cce ccg cci cck ccn cco ccp ccr ccw ce- ceb cec cee ceg cei cek cen ceo cep cer cew cgb cgc cge cgg cgi cgn cgo cgp cgr cgw ci- cib cic cie cig cii cik cin cio cip cir ciw ckb ckc cki cko ckw cn- cnb cnc cne cng cni cnn cno cnp cnr cnw co- cob coc coe cog coi cok con coo cop cor cow cpb cpc cpe cpg cpi cpk cpn cpo cpp cpr cpw crb crc cre crg cri crk crn cro crp crr crw cw- cwb cwc cwe cwg cwi cwk cwn cwo cwp cwr ebb ebc ebe ebg ebi ebk ebn ebo ebp ebr ebw ec- ecb ecc ece ecg eci eck ecn eco ecr ecw eeb eec eee eeg eek een eeo eep eer eew egb egc ege egg egi egn ego egp egr egw eib eic eie eig eii eik ein eio eip eir ekb ekc eke ekg eki eko ekp ekr en- enb enc ene eng eni enk enn eno enp enr enw eo- eob eoc eoe eog eoi eok eon eoo eop eor eow ep- epb epc epe epg epi epn epo epp epr epw erb erc ere erg eri erk ern ero erp err erw ewb ewc ewe ewi ewk ewo ewp ewr eww g-p gbc gbe gbg gbi gbk gbn gbo gbp gbr gbw gcb gcc gce gcg gci gck gcn gco gcp gcr gcw ge- geb gec gee geg gei gek gen geo gep ger gew ggb ggc ggg ggi ggn ggo ggp ggr ggw gib gic gie gig gii gik gin gio gip gir gkb gkn gko gkp gnb gnc gne gni gnn gno gnp gnr gnw gob goc goe gog goi gok gon goo gop gor gow gpb gpc gpe gpg gpi gpk gpn gpo gpp gpr gpw grb grc gre grg gri grk grn gro grp grr grw gwb gwc gwe gwg gwi gwk gwn gwp gwr ibb ibc ibe ibg ibi ibk ibn ibo ibp ibr ibw icb icc ice icg ici ick icn ico icp icr icw ie- iec iee ieg iei iek ien iep ier igb igc ige igg igi igk ign igo igp igr igw iib iic iie iii iin iio iip iir iiw ikb ikc ike iki ikk iko ikr in- inb inc ine ing ini ink inn ino inp inr io- iob ioc ioe iog ioi ion ioo iop ior iow ipb ipc ipe ipg ipi ipn ipo ipp ipr ir- irb irc ire irg iri irk irn iro irp irr iwb iwc iwe iwg iwi iwk iwo iwp iwr iww kbb kbc kbe kbi kbk kbn kbo kbp kbr kbw kcb kcc kce kcg kci kck kcn kcp kcr ke- keb kec kee keg kei kek ken keo kep ker kew kgb kgc kgi kgo kgp kgw kib kic kie kig kii kik kin kio kip kir kkb kkc kke kki kkk kkn kkp kkr kn- knc kne kng kni knk knn kno knp knr kob koc koe kog koi kok kon koo kop kor kow kpc kpe kpi kpk kpn kpo kpp kpr kpw krc krg kri krk krn kro krp krr krw kw- kwc kwg kwi kwk kwo kwp kww n-i nbb nbc nbe nbg nbi nbk nbn nbo nbp nbr nbw ncb ncc nce ncg nci nck ncn nco ncp ncr ncw ne- neb nec nee neg nei nek nen neo nep ner new ngb ngc nge ngg ngi ngk ngn ngo ngp ngw nib nic nie nig nii nik nin nio nip nir nkc nke nki nkk nkn nko nkp nkr nnb nnc nne nng nni nnk nnn nno nnp nnw no- nob noc noe nog noi nok non noo nop nor now npb npc npe npg npi npn npo npp npr npw nrb nrc nre nrg nri nrk nrn nro nrp nrr nrw nwb nwc nwe nwi nwn nwo nwp nwr o-i ob- obb obc obe obg obi obk obn obo obp obr obw oc- ocb occ ocg oci ock ocn oco ocp ocr ocw oeb oec oee oeg oei oen oeo oep oer ogc oge ogg ogi ogn ogo ogp oib oic oie oii oik oin oio oip oir okb okc oke okg oki okk oko okp okr okw on- onb onc one ong oni onk onn ono onp onr oo- oob ooc oog ooi ook oon ooo oop oor oow op- opb opc ope opg opi opk opn opo opp opr opw or- orb orc ore org ori ork orn oro orp orr owb owc owe owi owk own owo owp oww p-p pbb pbc pbe pbg pbi pbk pbn pbo pbp pbr pbw pcb pcc pce pcg pci pck pcn pco pcp pcr pcw peb pec pee peg pei pek pen peo pep per pew pgb pgc pge pgg pgi pgk pgn pgo pgp pgr pgw pib pic pie pig pii pik pin pio pip pir piw pkb pkc pke pkg pki pkn pko pkp pkr pn- pnb pnc pne png pni pnk pnn pno pnp pnr pnw pob poc poe pog poi pok pon poo pop por pow ppb ppc ppe ppg ppi ppk ppn ppo ppp ppr ppw prb prc