-er -ic bbb bbc bbe bbg bbh bbi bbn bbo bbr bcb bcc bce bcg bch bci bcn bco bcr bcv be- beb bec bee beg beh bei ben beo ber bev bgb bgc bge bgg bgh bgi bgn bgo bgr bgv bhb bhc bhe bhg bhh bhi bho bhr bhv bi- bib bic bie big bih bii bin bio bir biv bnb bnc bne bng bni bnn bno bnr bnv bob boc boe bog boh boi bon boo bor bov brb bre brg brh bri brn bro brr brv bvb bvc bve bvg bvh bvi bvn bvo bvr bvv c-- cbb cbc cbe cbg cbh cbi cbn cbo cbr cbv ccb ccc cce ccg cch cci ccn cco ccr ccv ce- ceb cec cee ceg ceh cei cen ceo cer cev cgb cgc cge cgg cgh cgi cgn cgo cgr cgv ch- chb chc che chg chh chi chn cho chr chv ci- cib cic cie cig cih cii cin cio cir civ cn- cnb cnc cne cng cnh cni cnn cno cnr cnv co- cob coc coe cog coh coi con coo cor cov crb crc cre crg crh cri crn cro crr crv cvb cvc cve cvg cvh cvi cvn cvo cvr cvv ebb ebc ebe ebg ebh ebi ebn ebo ebr ebv ec- ecb ecc ece ecg ech eci ecn eco ecr ecv eeb eec eee eeg 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 ein eio eir eiv en- enb enc ene eng enh eni enn eno enr env eo- eob eoc eoe eog eoh eoi eon eoo eor erb erc ere erg erh eri ern ero err erv evb evc eve evg evh evi evn evo evr evv gbc gbe gbg gbh gbi gbn gbo gbr gbv gcb gcc gce gcg gch gci gcn gco gcr ge- geb gec gee geg geh gei 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 gin gio gir giv gnb gnc gne gni gnn gno gnr gnv gob goc goe gog goh goi gon goo gor gov grb grc gre grg grh gri grn gro grr grv gvb gvc gve gvg gvh gvi gvn gvo gvr h-i hbb hbc hbe hbg hbh hbi hbn hbo hbr hbv hcb hcc hce hcg hch hci hcn hco hcr hcv he- heb hec hee heg heh hei hen heo her hev hgb hgc hge hgg hgh hgi hgn hgo hgr hgv hhb hhc hhe hhg hhh hhi hhn hho hhr hhv hib hic hie hig hih hii hin hio hir hiv hnb hnc hne hng hnh hnn hno hnv hob hoc hoe hog hoh hoi hon hoo hor hov hr- hrb hrc hre hrg hrh hri hrn hro hrr hrv hv- hvb hvc hvg hvn hvo hvr hvv i-v ibb ibc ibe ibg ibh ibi ibn ibo ibr ibv icb icc ice icg ich ici icn ico icr icv ie- iec iee ieg iei ien ier iev igb igc ige igg igh igi ign igo igr ihb ihc ihe ihg ihh ihi ihn iho ihr ihv iib iic iie iih iii iin iio iir in- inb inc ine ing inh ini inn ino inr inv io- iob ioc ioe iog ioh ioi ion ioo ior iov ir- irb irc ire irg iri irn iro irr irv ivb ivc ive ivg ivi ivo ivr ivv n-i nbb nbc nbe nbg nbi nbn nbo nbr nbv ncb ncc nce ncg nch nci ncn nco ncr ncv ne- neb nec nee neg neh nei nen neo ner nev ngb ngc nge ngg ngh ngi ngn ngo nhb nhc nhe nhg nhh nhi nhn nhr nhv nib nic nie nig nih nii nin nio nir niv nnb nnc nne nng nnh nni nnn nno nnv no- nob noc noe nog noh noi non noo nor nov nrb nrc nre nrg nri nrn nro nrr nrv nvb nvc nve nvg nvh nvi nvn nvv o-i ob- obb obc obe obg obh obi obn obo obr obv oc- ocb occ ocg och oci 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 oin oio oir oiv on- onb onc one ong onh oni onn ono onr oo- oob ooc oog ooh ooi oon ooo oor oov or- orb orc ore org orh ori orn oro orr orv ov- ovb ovc ove ovh ovi ovo ovv rbb rbc rbe rbg rbh rbi rbn rbo rbr rcb rcc rce rcg rch rci rcn rco rcr rcv re- reb rec ree reg reh rei ren reo rer rev rgb rgc rge rgg rgh rgi rgn rgo rgr rgv rh- rhb rhc rhe rhg rhh rhi rhn rho rhr rhv rib ric rie rig rih rii rin rio rir riv rnb rnc rng rnh rni rnn rno rnr rnv rob roc roe rog roh roi ron roo ror rov rrb rrc rrg rrh rri rrn rrr rvb rvc rve rvg rvh rvi rvn rvo rvr rvv v-e vbc vbg vbh vbi vbo vbr vbv vcc vce vch vci vcn vco vcr veb vec vee veg veh vei ven veo ver vgc vgg vgh vgn vgo vgr vh- vhb vhc vhe vhi vho vi- vib vic vie vig vii vin vio vir viv vn- vng vni vno vnr vnv vob voc voe vog voh voi von voo vor vov vrb vrc vre vrg vrh vri vrn vrr vvb vvc vvg vvi vvo vvr vvv