-ic b-u bbb bbc bbe bbg bbi bbn bbo bbu bcb bcc bce bcg bci bcn bco bcu be- beb bec bee beg bei ben beo beu bgb bgc bge bgg bgi bgn bgo bgu bi- bib bic bie big bii bin bio biu bnb bnc bne bng bni bnn bno bnu bob boc boe bog boi bon boo bou bub buc bue bug bui bun buo buu c-- cbb cbc cbe cbg cbi cbn cbo cbu ccb ccc cce ccg cci ccn cco ccu ce- ceb cec cee ceg cei cen ceo ceu cgb cgc cge cgg cgi cgn cgo cgu ci- cib cic cie cig cii cin cio ciu cn- cnb cnc cne cng cni cnn cno cnu co- cob coc coe cog coi con coo cou cub cuc cue cug cui cun cuo cuu ebb ebc ebe ebg ebi ebn ebo ebu ec- ecb ecc ece ecg eci ecn eco ecu eeb eec eee eeg een eeo egb egc ege egg egi egn ego egu eib eic eie eig eii ein eio eiu en- enb enc ene eng eni enn eno enu eo- eob eoc eoe eog eoi eon eoo eou eu- eub euc eue eug eui eun gbc gbe gbg gbi gbn gbo gbu gcb gcc gce gcg gci gcn gco gcu ge- geb gec gee geg gei gen geo geu ggb ggc ggg ggi ggn ggo ggu gib gic gie gig gii gin gio giu gnb gnc gne gni gnn gno gnu gob goc goe gog goi gon goo gou gu- gub guc gue gug gui gun guo guu ibb ibc ibe ibg ibi ibn ibo ibu icb icc ice icg ici icn ico icu ie- iec iee ieg iei ien igb igc ige igg igi ign igo igu iib iic iie iii iin iio iiu in- inb inc ine ing ini inn ino inu io- iob ioc ioe iog ioi ion ioo iou iu- iub iuc iue iug iui n-i nbb nbc nbe nbg nbi nbn nbo nbu ncb ncc nce ncg nci ncn nco ncu ne- neb nec nee neg nei nen neo neu ngb ngc nge ngg ngi ngn ngo ngu nib nic nie nig nii nin nio niu nnb nnc nne nng nni nnn nno nnu no- nob noc noe nog noi non noo nou nub nuc nue nug nui nun nuo nuu o-i ob- obb obc obe obg obi obn obo obu oc- ocb occ ocg oci ocn oco ocu oeb oec oee oeg oei oen oeo ogc oge ogg ogi ogn ogo oib oic oie oii oin oio oiu on- onb onc one ong oni onn ono onu oo- oob ooc oog ooi oon ooo ou- ouc oue oui oun ouo ubb ubc ube ubg ubi ubn ubo ubu ucb ucc uce ucg uci ucn uco ucu ueb uec uee ueg uei uen ugb ugc uge ugg ugi ugn ugo ugu uib uic uie uig uii uin uio uiu un- unb unc une ung uni unn uno unu uob uoc uoe uog uon uoo uuc uue uug uun uuu