-ic b-u bbb bbc bbd bbh bbi bbn bbo bbu bcb bcc bcd bch bci bcn bco bcu bdb bdc bdd bdh bdi bdo bdu bhb bhc bhd bhh bhi bho bhu bi- bib bic bid bih bii bin bio biu bnb bnc bnd bni bnn bno bnu bob boc bod boh boi bon boo bou bub buc bud buh bui bun buo buu c-- cbb cbc cbd cbh cbi cbn cbo cbu ccb ccc ccd cch cci ccn cco ccu cdb cdc cdd cdh cdi cdn cdo cdu ch- chb chc chd chh chi chn cho chu ci- cib cic cid cih cii cin cio ciu cn- cnb cnc cnd cnh cni cnn cno cnu co- cob coc cod coh coi con coo cou cub cuc cud cuh cui cun cuo cuu dbb dbc dbd dbh dbi dbn dbo dbu dcb dcc dcd dci dcn dco dcu ddb ddc ddd ddh ddi ddn ddo ddu dh- dhb dhc dhd dhh dhi dho dhu di- dib dic did dih dii din dio diu dnb dnc dnd dnh dni dnn dno dob doc dod doh doi don doo dou dub duc dud duh dui dun duo h-i hbb hbc hbd hbh hbi hbn hbo hbu hcb hcc hcd hch hci hcn hco hdb hdc hdd hdh hdi hdn hdo hdu hhb hhc hhd hhh hhi hhn hho hhu hib hic hid hih hii hin hio hiu hnb hnc hnd hnh hnn hno hnu hob hoc hod hoh hoi hon hoo hou hub huc hud huh hui hun huo huu i-d ibb ibc ibd ibh ibi ibn ibo ibu icb icc icd ich ici icn ico icu idb idc idd idh idi idn ido idu ihb ihc ihd ihh ihi ihn iho ihu iib iic iid iih iii iin iio iiu in- inb inc ind inh ini inn ino inu io- iob ioc iod ioh ioi ion ioo iou iu- iub iuc iud iui n-i nbb nbc nbd nbi nbn nbo nbu ncb ncc ncd nch nci ncn nco ncu ndb ndc ndd ndh ndi ndn ndo ndu nhb nhc nhd nhh nhi nhn nhu nib nic nid nih nii nin nio niu nnb nnc nnh nni nnn nno nnu no- nob noc nod noh noi non noo nou nub nuc nud nuh nui nun nuo nuu o-i ob- obb obc obd obh obi obn obo obu oc- ocb occ ocd och oci ocn oco ocu odb odc odd odh odi odn odo odu ohc ohd ohh ohi ohn oho ohu oib oic oid oii oin oio oiu on- onb onc ond onh oni onn ono onu oo- oob ooc ood ooh ooi oon ooo ou- ouc oud ouh oui oun ouo ubb ubc ubh ubi ubn ubo ubu ucb ucc ucd uch uci ucn uco ucu udb udc udd udi udn udo udu uhb uhc uhd uhh uhi uho uhu uib uic uid uii uin uio uiu un- unb unc und unh uni unn uno unu uob uoc uod uon uoo uuc uun uuu