-er -ic bbb bbc bbe bbg bbh bbi bbk bbn bbo bbr bbs bcb bcc bce bcg bch bci bck bcn bco bcr bcs bcv be- beb bec bee beg beh bei bek ben beo ber bes bev bgb bgc bge bgg bgh bgi bgk bgn bgo bgr bgs bgv bhb bhc bhe bhg bhh bhi bhk bho bhr bhs bhv bi- bib bic bie big bih bii bik bin bio bir bis biv bkb bkc bke bkg bkk bkn bko bkr bks bkv bnb bnc bne bng bni bnk bnn bno bnr bns bnv bob boc boe bog boh boi bok bon boo bor bos bov brb bre brg brh bri brk brn bro brr brs brv bsb bsc bse bsg bsh bsi bsk bsn bso bsr bss bsv bvb bvc bve bvg bvh bvi bvk bvn bvo bvr bvs bvv c-- cbb cbc cbe cbg cbh cbi cbk cbn cbo cbr cbs cbv ccb ccc cce ccg cch cci cck ccn cco ccr ccs ccv ce- ceb cec cee ceg ceh cei cek cen ceo cer ces cev cgb cgc cge cgg cgh cgi cgn cgo cgr cgs cgv ch- chb chc che chg chh chi chk chn cho chr chs chv ci- cib cic cie cig cih cii cik cin cio cir cis civ ckb ckc ckh cki cko cks cn- cnb cnc cne cng cnh cni cnn cno cnr cns cnv co- cob coc coe cog coh coi cok con coo cor cos cov crb crc cre crg crh cri crk crn cro crr crs crv csb csc cse csg csh csi csk csn cso csr css csv cvb cvc cve cvg cvh cvi cvk cvn cvo cvr cvs cvv ebb ebc ebe ebg ebh ebi ebk ebn ebo ebr ebs ebv ec- ecb ecc ece ecg ech eci eck ecn eco ecr ecs ecv eeb eec eee eeg eek een eeo eer ees eev egb egc ege egg egh egi egn ego egr egs ehb ehc ehe ehg ehh ehi ehn eho ehr ehs ehv eib eic eie eig eii eik ein eio eir eis eiv ekb ekc eke ekg ekh eki eko ekr eks ekv en- enb enc ene eng enh eni enk enn eno enr ens env eo- eob eoc eoe eog eoh eoi eok eon eoo eor eos erb erc ere erg erh eri erk ern ero err ers erv es- esb esc ese esg esh esi esk esn eso esr ess esv evb evc eve evg evh evi evn evo evr evs evv gbc gbe gbg gbh gbi gbk gbn gbo gbr gbs gbv gcb gcc gce gcg gch gci gck gcn gco gcr gcs ge- geb gec gee geg geh gei gek gen geo ger ges gev ggb ggc ggg ggh ggi ggn ggo ggr ggs ggv ghb ghc ghe ghg ghh ghi ghn gho ghr ghs gib gic gie gig gih gii gik gin gio gir gis giv gkb gkh gkn gko gks gnb gnc gne gni gnn gno gnr gns gnv gob goc goe gog goh goi gok gon goo gor gos gov grb grc gre grg grh gri grk grn gro grr grs grv gsb gsc gse gsg gsi gsk gsn gso gsr gss gsv gvb gvc gve gvg gvh gvi gvk gvn gvo gvr gvs h-i hbb hbc hbe hbg hbh hbi hbk hbn hbo hbr hbs hbv hcb hcc hce hcg hch hci hck hcn hco hcr hcs hcv he- heb hec hee heg heh hei hek hen heo her hes hev hgb hgc hge hgg hgh hgi hgk hgn hgo hgr hgs hgv hhb hhc hhe hhg hhh hhi hhk hhn hho hhr hhs hhv hib hic hie hig hih hii hik hin hio hir his hiv hkb hkg hkh hki hkk hkn hko hkr hks hnb hnc hne hng hnh hnk hnn hno hns hnv hob hoc hoe hog hoh hoi hok hon hoo hor hos hov hr- hrb hrc hre hrg hrh hri hrk hrn hro hrr hrs hrv hsb hsc hse hsg hsh hsi hsk hsn hsr hss hsv hv- hvb hvc hvg hvk hvn hvo hvr hvs hvv i-v ibb ibc ibe ibg ibh ibi ibk ibn ibo ibr ibs ibv icb icc ice icg ich ici ick icn ico icr ics icv ie- iec iee ieg iei iek ien ier ies iev igb igc ige igg igh igi igk ign igo igr igs ihb ihc ihe ihg ihh ihi ihk ihn iho ihr ihs ihv iib iic iie iih iii iin iio iir iis ikb ikc ike iki ikk iko ikr iks ikv in- inb inc ine ing inh ini ink inn ino inr ins inv io- iob ioc ioe iog ioh ioi ion ioo ior ios iov ir- irb irc ire irg iri irk irn iro irr irs irv is- isb isc ise isg ish isi isk isn iso isr iss isv ivb ivc ive ivg ivi ivo ivr ivs ivv kbb kbc kbe kbh kbi kbk kbn kbo kbr kbs kcb kcc kce kcg kch kci kck kcn kcr kcs ke- keb kec kee keg keh kei kek ken keo ker kes kev kgb kgc kgh kgi kgo kgs kgv khe khh khi khk khn kho khr khs khv kib kic kie kig kih kii kik kin kio kir kis kiv kkb kkc kke kkh kki kkk kkn kkr kks kkv kn- knc kne kng kni knk knn kno knr kob koc koe kog koh koi kok kon koo kor kos krc krg kri krk krn kro krr krs krv ksb ksc kse ksg ksh ksi ksk ksn kso ksr kss ksv kvb kvh kvi kvk kvn kvo kvr kvs kvv n-i nbb nbc nbe nbg nbi nbk nbn nbo nbr nbs nbv ncb ncc nce ncg nch nci nck ncn nco ncr ncs ncv ne- neb nec nee neg neh nei nek nen neo ner nes nev ngb ngc nge ngg ngh ngi ngk ngn ngo ngs nhb nhc nhe nhg nhh nhi nhk nhn nhr