-er bbb bbe bbg bbi bbn bbo bbr bbt be- beb bee beg bei ben beo ber bet bev bgb bge bgg bgi bgn bgo bgr bgt bgv bi- bib bie big bii bin bio bir bit biv bnb bne bng bni bnn bno bnr bnt bnv bob boe bog boi bon boo bor bot bov brb bre brg bri brn bro brr brt brv btb bte btg bti btn bto btr btt btv bvb bve bvg bvi bvn bvo bvr bvt bvv ebb ebe ebg ebi ebn ebo ebr ebt ebv eeb eee eeg een eeo eer eet eev egb ege egg egi egn ego egr egt eib eie eig eii ein eio eir eit eiv en- enb ene eng eni enn eno enr ent env eo- eob eoe eog eoi eon eoo eor eot erb ere erg eri ern ero err ert erv etb ete etg eti etn eto etr ett etv evb eve evg evi evn evo evr evt evv gbe gbg gbi gbn gbo gbr gbt gbv ge- geb gee geg gei gen geo ger get gev ggb ggg ggi ggn ggo ggr ggt ggv gib gie gig gii gin gio gir git giv gnb gne gni gnn gno gnr gnt gnv gob goe gog goi gon goo gor got gov grb gre grg gri grn gro grr grt grv gtb gte gtg gti gtn gto gtr gtt gtv gvb gve gvg gvi gvn gvo gvr gvt i-v ibb ibe ibg ibi ibn ibo ibr ibt ibv ie- iee ieg iei ien ier iet iev igb ige igg igi ign igo igr igt iib iie iii iin iio iir iit in- inb ine ing ini inn ino inr int inv io- iob ioe iog ioi ion ioo ior iot iov ir- irb ire irg iri irn iro irr irt irv itb ite itg iti itn ito itt itv ivb ive ivg ivi ivo ivr ivt ivv n-i nbb nbe nbg nbi nbn nbo nbr nbt nbv ne- neb nee neg nei nen neo ner net nev ngb nge ngg ngi ngn ngo ngt nib nie nig nii nin nio nir nit niv nnb nne nng nni nnn nno nnt nnv no- nob noe nog noi non noo nor not nov nrb nre nrg nri nrn nro nrr nrt nrv ntb nte ntg nti ntn nto ntr ntt ntv nvb nve nvg nvi nvn nvt nvv o-i ob- obb obe obg obi obn obo obr obt obv oeb oee oeg oei oen oeo oer oet oge ogg ogi ogn ogo ogt oib oie oii oin oio oir oit oiv on- onb one ong oni onn ono onr ont oo- oob oog ooi oon ooo oor oot oov or- orb ore org ori orn oro orr ort orv ot- otb ote otg oti otn oto otr ott otv ov- ovb ove ovi ovo ovv rbb rbe rbg rbi rbn rbo rbr rbt re- reb ree reg rei ren reo rer ret rev rgb rge rgg rgi rgn rgo rgr rgt rgv rib rie rig rii rin rio rir rit riv rnb rng rni rnn rno rnr rnt rnv rob roe rog roi ron roo ror rot rov rrb rrg rri rrn rrr rrt rtb rte rtg rti rtn rto rtr rtt rtv rvb rve rvg rvi rvn rvo rvr rvt rvv tbb tbe tbg tbi tbn tbo tbr tbt tbv te- teb tee teg tei ten teo ter tet tev tgb tge tgg tgi tgn tgo tgr tgt tgv tib tie tig tii tin tio tir tit tiv tnb tne tng tni tnn tno tnr tnt to- tob toe tog toi ton too tor tot tov trb tre trg tri trn tro trr trt trv ttb tte ttg tti ttn tto ttr ttt ttv tvb tve tvg tvi tvn tvo tvr tvt v-e vbg vbi vbo vbr vbv veb vee veg vei ven veo ver vet vgg vgn vgo vgr vgt vi- vib vie vig vii vin vio vir vit viv vn- vng vni vno vnr vnv vob voe vog voi von voo vor vot vov vrb vre vrg vri vrn vrr vrt vtb vte vtg vti vto vtr vtt vtv vvb vvg vvi vvo vvr vvt vvv