-ic bbb bbc bbe bbg bbi bbm bbn bbo bbt bcb bcc bce bcg bci bcm bcn bco bct be- beb bec bee beg bei bem ben beo bet bgb bgc bge bgg bgi bgm bgn bgo bgt bi- bib bic bie big bii bim bin bio bit bmb bmc bme bmg bmi bmm bmn bmo bmt bnb bnc bne bng bni bnn bno bnt bob boc boe bog boi bom bon boo bot btb btc bte btg bti btm btn bto btt c-- cbb cbc cbe cbg cbi cbm cbn cbo cbt ccb ccc cce ccg cci ccm ccn cco cct ce- ceb cec cee ceg cei cem cen ceo cet cgb cgc cge cgg cgi cgm cgn cgo cgt ci- cib cic cie cig cii cim cin cio cit cmb cmc cme cmg cmi cmm cmn cmo cmt cn- cnb cnc cne cng cni cnm cnn cno cnt co- cob coc coe cog coi com con coo cot ctb ctc cte ctg cti ctm ctn cto ctt ebb ebc ebe ebg ebi ebm ebn ebo ebt ec- ecb ecc ece ecg eci ecm ecn eco ect eeb eec eee eeg eem een eeo eet egb egc ege egg egi egm egn ego egt eib eic eie eig eii eim ein eio eit em- emb emc eme emg emi emm emn emo emt en- enb enc ene eng eni enm enn eno ent eo- eob eoc eoe eog eoi eom eon eoo eot etb etc ete etg eti etm etn eto ett gbc gbe gbg gbi gbm gbn gbo gbt gcb gcc gce gcg gci gcm gcn gco gct ge- geb gec gee geg gei gem gen geo get ggb ggc ggg ggi ggm ggn ggo ggt gib gic gie gig gii gim gin gio git gmb gmc gme gmg gmi gmm gmn gmo gmt gnb gnc gne gni gnm gnn gno gnt gob goc goe gog goi gom gon goo got gtb gtc gte gtg gti gtm gtn gto gtt ibb ibc ibe ibg ibi ibm ibn ibo ibt icb icc ice icg ici icm icn ico ict ie- iec iee ieg iei iem ien iet igb igc ige igg igi igm ign igo igt iib iic iie iii iim iin iio iit im- imb imc ime img imi imm imn imo imt in- inb inc ine ing ini inm inn ino int io- iob ioc ioe iog ioi iom ion ioo iot itb itc ite itg iti itm itn ito itt m-o mbb mbc mbe mbg mbi mbm mbo mbt mc- mcb mcc mce mcg mci mcm mcn mco mct meb mec mee meg mei mem men meo met mgb mgc mge mgi mgm mgn mgo mgt mi- mib mic mie mig mii mim min mio mit mmb mmc mme mmg mmi mmm mmn mmo mmt mnb mnc mne mng mni mnm mnn mno mnt mob moc moe mog moi mom mon moo mot mtb mtc mte mtg mti mtm mtn mto mtt n-i nbb nbc nbe nbg nbi nbm nbn nbo nbt ncb ncc nce ncg nci ncm ncn nco nct ne- neb nec nee neg nei nem nen neo net ngb ngc nge ngg ngi ngm ngn ngo ngt nib nic nie nig nii nim nin nio nit nmb nmc nme nmg nmi nmm nmn nmo nmt nnb nnc nne nng nni nnm nnn nno nnt no- nob noc noe nog noi nom non noo not ntb ntc nte ntg nti ntm ntn nto ntt o-i ob- obb obc obe obg obi obm obn obo obt oc- ocb occ ocg oci ocm ocn oco oct oeb oec oee oeg oei oem oen oeo oet ogc oge ogg ogi ogn ogo ogt oib oic oie oii oim oin oio oit om- omb omc ome omg omi omm omn omo omt on- onb onc one ong oni onn ono ont oo- oob ooc oog ooi oom oon ooo oot ot- otb otc ote otg oti otm otn oto ott tbb tbc tbe tbg tbi tbm tbn tbo tbt tcb tcc tce tcg tci tcm tcn tco tct te- teb tec tee teg tei tem ten teo tet tgb tgc tge tgg tgi tgm tgn tgo tgt tib tic tie tig tii tim tin tio tit tmb tmc tme tmg tmi tmm tmn tmo tmt tnb tnc tne tng tni tnm tnn tno tnt to- tob toc toe tog toi tom ton too tot ttb ttc tte ttg tti ttm ttn tto ttt