-er bbb bbe bbh bbk bbm bbn bbo bbr be- beb bee beh bek bem ben beo ber bhb bhe bhh bhk bhm bho bhr bkb bke bkk bkm bkn bko bkr bmb bme bmh bmk bmm bmn bmo bmr bnb bne bnk bnn bno bnr bob boe boh bok bom bon boo bor brb bre brh brk brm brn bro brr ebb ebe ebh ebk ebm ebn ebo ebr eeb eee eek eem een eeo eer ehb ehe ehh ehm ehn eho ehr ekb eke ekh eko ekr em- emb eme emh emk emm emn emo emr en- enb ene enh enk enm enn eno enr eo- eob eoe eoh eok eom eon eoo eor erb ere erh erk erm ern ero err hbb hbe hbh hbk hbm hbn hbo hbr he- heb hee heh hek hem hen heo her hhb hhe hhh hhk hhm hhn hho hhr hkb hkh hkk hkm hkn hko hkr hmb hme hmh hmk hmm hmo hmr hnb hne hnh hnk hnn hno hob hoe hoh hok hom hon hoo hor hr- hrb hre hrh hrk hrm hrn hro hrr kbb kbe kbh kbk kbm kbn kbo kbr ke- keb kee keh kek kem ken keo ker khe khh khk khm khn kho khr kkb kke kkh kkk kkm kkn kkr kmb kme kmh kmk kmm kmo kn- kne knk knm knn kno knr kob koe koh kok kom kon koo kor krk krn kro krr m-o m-r mbb mbe mbh mbk mbm mbo mbr meb mee meh mek mem men meo mer mhh mhk mhm mhn mho mhr mkb mke mkh mkk mkm mkn mko mkr mmb mme mmh mmk mmm mmn mmo mmr mnb mne mnk mnm mnn mno mnr mob moe moh mok mom mon moo mor mrb mre mrh mrk mrm mrn mro mrr nbb nbe nbk nbm nbn nbo nbr ne- neb nee neh nek nem nen neo ner nhb nhe nhh nhk nhm nhn nhr nke nkk nkm nkn nko nkr nmb nme nmh nmk nmm nmn nmo nmr nnb nne nnh nnk nnm nnn nno no- nob noe noh nok nom non noo nor nrb nre nrk nrm nrn nro nrr ob- obb obe obh obk obm obn obo obr oeb oee oeh oem oen oeo oer ohe ohh ohm ohn oho ohr okb oke okk oko okr om- omb ome omh omm omn omo omr on- onb one onh onk onn ono onr oo- oob ooh ook oom oon ooo oor or- orb ore orh ork orm orn oro orr rbb rbe rbh rbk rbm rbn rbo rbr re- reb ree reh rek rem ren reo rer rh- rhb rhe rhh rhm rhn rho rhr rkb rke rkk rkm rko rmb rme rmh rmm rmn rmo rmr rnb rnh rnm rnn rno rnr rob roe roh rok rom ron roo ror rrb rrh rrk rrm rrn rrr