-er bbb bbe bbg bbi bbm bbn bbo bbr be- beb bee beg bei bem ben beo ber bev bgb bge bgg bgi bgm bgn bgo bgr bgv bi- bib bie big bii bim bin bio bir biv bmb bme bmg bmi bmm bmn bmo bmr bmv bnb bne bng bni bnn bno bnr bnv bob boe bog boi bom bon boo bor bov brb bre brg bri brm brn bro brr brv bvb bve bvg bvi bvm bvn bvo bvr bvv ebb ebe ebg ebi ebm ebn ebo ebr ebv eeb eee eeg eem een eeo eer eev egb ege egg egi egm egn ego egr eib eie eig eii eim ein eio eir eiv em- emb eme emg emi emm emn emo emr emv en- enb ene eng eni enm enn eno enr env eo- eob eoe eog eoi eom eon eoo eor erb ere erg eri erm ern ero err erv evb eve evg evi evm evn evo evr evv gbe gbg gbi gbm gbn gbo gbr gbv ge- geb gee geg gei gem gen geo ger gev ggb ggg ggi ggm ggn ggo ggr ggv gib gie gig gii gim gin gio gir giv gmb gme gmg gmi gmm gmn gmo gmr gmv gnb gne gni gnm gnn gno gnr gnv gob goe gog goi gom gon goo gor gov grb gre grg gri grm grn gro grr grv gvb gve gvg gvi gvm gvn gvo gvr i-v ibb ibe ibg ibi ibm ibn ibo ibr ibv ie- iee ieg iei iem ien ier iev igb ige igg igi igm ign igo igr iib iie iii iim iin iio iir im- imb ime img imi imm imn imo imv in- inb ine ing ini inm inn ino inr inv io- iob ioe iog ioi iom ion ioo ior iov ir- irb ire irg iri irm irn iro irr irv ivb ive ivg ivi ivo ivr ivv m-o m-r m-v mbb mbe mbg mbi mbm mbo mbr mbv meb mee meg mei mem men meo mer mev mgb mge mgi mgm mgn mgo mgr mgv mi- mib mie mig mii mim min mio mir miv mmb mme mmg mmi mmm mmn mmo mmr mmv mnb mne mng mni mnm mnn mno mnr mob moe mog moi mom mon moo mor mov mrb mre mrg mri mrm mrn mro mrr mrv mvb mve mvg mvi mvm mvn mvo mvr mvv n-i nbb nbe nbg nbi nbm nbn nbo nbr nbv ne- neb nee neg nei nem nen neo ner nev ngb nge ngg ngi ngm ngn ngo nib nie nig nii nim nin nio nir niv nmb nme nmg nmi nmm nmn nmo nmr nnb nne nng nni nnm nnn nno nnv no- nob noe nog noi nom non noo nor nov nrb nre nrg nri nrm nrn nro nrr nrv nvb nve nvg nvi nvm nvn nvv o-i ob- obb obe obg obi obm obn obo obr obv oeb oee oeg oei oem oen oeo oer oge ogg ogi ogn ogo oib oie oii oim oin oio oir oiv om- omb ome omg omi omm omn omo omr omv on- onb one ong oni onn ono onr oo- oob oog ooi oom oon ooo oor oov or- orb ore org ori orm orn oro orr orv ov- ovb ove ovi ovo ovv rbb rbe rbg rbi rbm rbn rbo rbr re- reb ree reg rei rem ren reo rer rev rgb rge rgg rgi rgn rgo rgr rgv rib rie rig rii rim rin rio rir riv rmb rme rmg rmi rmm rmn rmo rmr rmv rnb rng rni rnm rnn rno rnr rnv rob roe rog roi rom ron roo ror rov rrb rrg rri rrm rrn rrr rvb rve rvg rvi rvm rvn rvo rvr rvv v-e vbg vbi vbm vbo vbr vbv veb vee veg vei vem ven veo ver vgg vgm vgn vgo vgr vi- vib vie vig vii vim vin vio vir viv vm- vmi vmm vmn vmo vmr vn- vng vni vnm vno vnr vnv vob voe vog voi vom von voo vor vov vrb vre vrg vri vrm vrn vrr vvb vvg vvi vvm vvo vvr vvv