-er -ic bbb bbc bbe bbg bbi bbm bbn bbo bbr bcb bcc bce bcg bci bcm bcn bco bcr be- beb bec bee beg bei bem ben beo ber bgb bgc bge bgg bgi bgm bgn bgo bgr bi- bib bic bie big bii bim bin bio bir bmb bmc bme bmg bmi bmm bmn bmo bmr bnb bnc bne bng bni bnn bno bnr bob boc boe bog boi bom bon boo bor brb bre brg bri brm brn bro brr c-- cbb cbc cbe cbg cbi cbm cbn cbo cbr ccb ccc cce ccg cci ccm ccn cco ccr ce- ceb cec cee ceg cei cem cen ceo cer cgb cgc cge cgg cgi cgm cgn cgo cgr ci- cib cic cie cig cii cim cin cio cir cmb cmc cme cmg cmi cmm cmn cmo cmr cn- cnb cnc cne cng cni cnm cnn cno cnr co- cob coc coe cog coi com con coo cor crb crc cre crg cri crm crn cro crr ebb ebc ebe ebg ebi ebm ebn ebo ebr ec- ecb ecc ece ecg eci ecm ecn eco ecr eeb eec eee eeg eem een eeo eer egb egc ege egg egi egm egn ego egr eib eic eie eig eii eim ein eio eir em- emb emc eme emg emi emm emn emo emr en- enb enc ene eng eni enm enn eno enr eo- eob eoc eoe eog eoi eom eon eoo eor erb erc ere erg eri erm ern ero err gbc gbe gbg gbi gbm gbn gbo gbr gcb gcc gce gcg gci gcm gcn gco gcr ge- geb gec gee geg gei gem gen geo ger ggb ggc ggg ggi ggm ggn ggo ggr gib gic gie gig gii gim gin gio gir gmb gmc gme gmg gmi gmm gmn gmo gmr gnb gnc gne gni gnm gnn gno gnr gob goc goe gog goi gom gon goo gor grb grc gre grg gri grm grn gro grr ibb ibc ibe ibg ibi ibm ibn ibo ibr icb icc ice icg ici icm icn ico icr ie- iec iee ieg iei iem ien ier igb igc ige igg igi igm ign igo igr iib iic iie iii iim iin iio iir im- imb imc ime img imi imm imn imo in- inb inc ine ing ini inm inn ino inr io- iob ioc ioe iog ioi iom ion ioo ior ir- irb irc ire irg iri irm irn iro irr m-o m-r mbb mbc mbe mbg mbi mbm mbo mbr mc- mcb mcc mce mcg mci mcm mcn mco mcr meb mec mee meg mei mem men meo mer mgb mgc mge mgi mgm mgn mgo mgr mi- mib mic mie mig mii mim min mio mir mmb mmc mme mmg mmi mmm mmn mmo mmr mnb mnc mne mng mni mnm mnn mno mnr mob moc moe mog moi mom mon moo mor mrb mrc mre mrg mri mrm mrn mro mrr n-i nbb nbc nbe nbg nbi nbm nbn nbo nbr ncb ncc nce ncg nci ncm ncn nco ncr ne- neb nec nee neg nei nem nen neo ner ngb ngc nge ngg ngi ngm ngn ngo nib nic nie nig nii nim nin nio nir nmb nmc nme nmg nmi nmm nmn nmo nmr nnb nnc nne nng nni nnm nnn nno no- nob noc noe nog noi nom non noo nor nrb nrc nre nrg nri nrm nrn nro nrr o-i ob- obb obc obe obg obi obm obn obo obr oc- ocb occ ocg oci ocm ocn oco ocr oeb oec oee oeg oei oem oen oeo oer ogc oge ogg ogi ogn ogo oib oic oie oii oim oin oio oir om- omb omc ome omg omi omm omn omo omr on- onb onc one ong oni onn ono onr oo- oob ooc oog ooi oom oon ooo oor or- orb orc ore org ori orm orn oro orr rbb rbc rbe rbg rbi rbm rbn rbo rbr rcb rcc rce rcg rci rcm rcn rco rcr re- reb rec ree reg rei rem ren reo rer rgb rgc rge rgg rgi rgn rgo rgr rib ric rie rig rii rim rin rio rir rmb rmc rme rmg rmi rmm rmn rmo rmr rnb rnc rng rni rnm rnn rno rnr rob roc roe rog roi rom ron roo ror rrb rrc rrg rri rrm rrn rrr