-er -ic bbb bbc bbe bbg bbh bbi bbk bbn bbo bbr bcb bcc bce bcg bch bci bck bcn bco bcr bcv be- beb bec bee beg beh bei bek ben beo ber bev bgb bgc bge bgg bgh bgi bgk bgn bgo bgr bgv bhb bhc bhe bhg bhh bhi bhk bho bhr bhv bi- bib bic bie big bih bii bik bin bio bir biv bkb bkc bke bkg bkk bkn bko bkr bkv bnb bnc bne bng bni bnk bnn bno bnr bnv bob boc boe bog boh boi bok bon boo bor bov brb bre brg brh bri brk brn bro brr brv bvb bvc bve bvg bvh bvi bvk bvn bvo bvr bvv c-- cbb cbc cbe cbg cbh cbi cbk cbn cbo cbr cbv ccb ccc cce ccg cch cci cck ccn cco ccr ccv ce- ceb cec cee ceg ceh cei cek cen ceo cer cev cgb cgc cge cgg cgh cgi cgn cgo cgr cgv ch- chb chc che chg chh chi chk chn cho chr chv ci- cib cic cie cig cih cii cik cin cio cir civ ckb ckc ckh cki cko cn- cnb cnc cne cng cnh cni cnn cno cnr cnv co- cob coc coe cog coh coi cok con coo cor cov crb crc cre crg crh cri crk crn cro crr crv cvb cvc cve cvg cvh cvi cvk cvn cvo cvr cvv ebb ebc ebe ebg ebh ebi ebk ebn ebo ebr ebv ec- ecb ecc ece ecg ech eci eck ecn eco ecr ecv eeb eec eee eeg eek een eeo eer eev egb egc ege egg egh egi egn ego egr ehb ehc ehe ehg ehh ehi ehn eho ehr ehv eib eic eie eig eii eik ein eio eir eiv ekb ekc eke ekg ekh eki eko ekr ekv en- enb enc ene eng enh eni enk enn eno enr env eo- eob eoc eoe eog eoh eoi eok eon eoo eor erb erc ere erg erh eri erk ern ero err erv evb evc eve evg evh evi evn evo evr evv gbc gbe gbg gbh gbi gbk gbn gbo gbr gbv gcb gcc gce gcg gch gci gck gcn gco gcr ge- geb gec gee geg geh gei gek gen geo ger gev ggb ggc ggg ggh ggi ggn ggo ggr ggv ghb ghc ghe ghg ghh ghi ghn gho ghr gib gic gie gig gih gii gik gin gio gir giv gkb gkh gkn gko gnb gnc gne gni gnn gno gnr gnv gob goc goe gog goh goi gok gon goo gor gov grb grc gre grg grh gri grk grn gro grr grv gvb gvc gve gvg gvh gvi gvk gvn gvo gvr h-i hbb hbc hbe hbg hbh hbi hbk hbn hbo hbr hbv hcb hcc hce hcg hch hci hck hcn hco hcr hcv he- heb hec hee heg heh hei hek hen heo her hev hgb hgc hge hgg hgh hgi hgk hgn hgo hgr hgv hhb hhc hhe hhg hhh hhi hhk hhn hho hhr hhv hib hic hie hig hih hii hik hin hio hir hiv hkb hkg hkh hki hkk hkn hko hkr hnb hnc hne hng hnh hnk hnn hno hnv hob hoc hoe hog hoh hoi hok hon hoo hor hov hr- hrb hrc hre hrg hrh hri hrk hrn hro hrr hrv hv- hvb hvc hvg hvk hvn hvo hvr hvv i-v ibb ibc ibe ibg ibh ibi ibk ibn ibo ibr ibv icb icc ice icg ich ici ick icn ico icr icv ie- iec iee ieg iei iek ien ier iev igb igc ige igg igh igi igk ign igo igr ihb ihc ihe ihg ihh ihi ihk ihn iho ihr ihv iib iic iie iih iii iin iio iir ikb ikc ike iki ikk iko ikr ikv in- inb inc ine ing inh ini ink inn ino inr inv io- iob ioc ioe iog ioh ioi ion ioo ior iov ir- irb irc ire irg iri irk irn iro irr irv ivb ivc ive ivg ivi ivo ivr ivv kbb kbc kbe kbh kbi kbk kbn kbo kbr kcb kcc kce kcg kch kci kck kcn kcr ke- keb kec kee keg keh kei kek ken keo ker kev kgb kgc kgh kgi kgo kgv khe khh khi khk khn kho khr khv kib kic kie kig kih kii kik kin kio kir kiv kkb kkc kke kkh kki kkk kkn kkr kkv kn- knc kne kng kni knk knn kno knr kob koc koe kog koh koi kok kon koo kor krc krg kri krk krn kro krr krv kvb kvh kvi kvk kvn kvo kvr kvv n-i nbb nbc nbe nbg nbi nbk nbn nbo nbr nbv ncb ncc nce ncg nch nci nck ncn nco ncr ncv ne- neb nec nee neg neh nei nek nen neo ner nev ngb ngc nge ngg ngh ngi ngk ngn ngo nhb nhc nhe nhg nhh nhi nhk nhn nhr nhv nib nic nie nig nih nii nik nin nio nir niv nkc nke nki nkk nkn nko nkr nnb nnc nne nng nnh nni nnk nnn nno nnv no- nob noc noe nog noh noi nok non noo nor nov nrb nrc nre nrg nri nrk nrn nro nrr nrv nvb nvc nve nvg nvh nvi nvk nvn nvv o-i ob- obb obc obe obg obh obi obk obn obo obr obv oc- ocb occ ocg och oci ock ocn oco ocr ocv oeb oec oee oeg oeh oei oen oeo oer ogc oge ogg ogh ogi ogn ogo ohc ohe ohg ohh ohi ohn oho ohr oib oic oie oii oik oin oio oir oiv okb okc oke okg oki okk oko okr on- onb onc one ong onh oni onk onn ono onr oo- oob ooc oog ooh ooi ook oon ooo oor oov or- orb orc ore org orh ori ork orn oro orr orv ov- ovb ovc ove ovh