-ic -ol b-u bbb bbc bbd bbh bbi bbl bbo bbu bcb bcc bcd bch bci bcl bco bcu bdb bdc bdd bdh bdi bdl bdo bdu bhb bhc bhd bhh bhi bhl bho bhu bi- bib bic bid bih bii bil bio biu blb blc bld blh bli bll blo blu bob boc bod boh boi bol boo bou bub buc bud buh bui bul buo buu c-- cbb cbc cbd cbh cbi cbl cbo cbu ccb ccc ccd cch cci ccl cco ccu cdb cdc cdd cdh cdi cdl cdo cdu ch- chb chc chd chh chi chl cho chu ci- cib cic cid cih cii cil cio ciu cl- clb clc cld clh cli cll clo clu co- cob coc cod coh coi col coo cou cub cuc cud cuh cui cul cuo cuu dbb dbc dbd dbh dbi dbl dbo dbu dcb dcc dcd dci dcl dco dcu ddb ddc ddd ddh ddi ddl ddo ddu dh- dhb dhc dhd dhh dhi dhl dho dhu di- dib dic did dih dii dil dio diu dl- dlb dlc dld dlh dli dll dlo dlu dob doc dod doh doi dol doo dou dub duc dud duh dui dul duo h-i hbb hbc hbd hbh hbi hbl hbo hbu hcb hcc hcd hch hci hcl hco hdb hdc hdd hdh hdi hdl hdo hdu hhb hhc hhd hhh hhi hhl hho hhu hib hic hid hih hii hil hio hiu hlb hlc hld hlh hli hll hlo hlu hob hoc hod hoh hoi hol hoo hou hub huc hud huh hui hul huo huu i-d ibb ibc ibd ibh ibi ibl ibo ibu icb icc icd ich ici icl ico icu idb idc idd idh idi idl ido idu ihb ihc ihd ihh ihi ihl iho ihu iib iic iid iih iii iil iio iiu il- ilb ilc ild ilh ili ill ilo ilu io- iob ioc iod ioh ioi iol ioo iou iu- iub iuc iud iui lbb lbc lbd lbh lbi lbl lbo lbu lcb lcc lcd lch lci lcl lco lcu ldb ldc ldd ldh ldi ldl ldo ldu lhb lhc lhd lhh lhi lho lhu lib lic lid lih lii lil lio liu llb llc lld lli lll llo llu lob loc lod loh loi lol loo lou lub luc lud luh lui lul luo luu o-i ob- obb obc obd obh obi obl obo obu oc- ocb occ ocd och oci ocl oco ocu odb odc odd odh odi odl odo odu ohc ohd ohh ohi ohl oho ohu oib oic oid oii oil oio oiu olb olc old oli oll olo olu oo- oob ooc ood ooh ooi ool ooo ou- ouc oud ouh oui oul ouo ubb ubc ubh ubi ubl ubo ubu ucb ucc ucd uch uci ucl uco ucu udb udc udd udi udl udo udu uhb uhc uhd uhh uhi uhl uho uhu uib uic uid uii uil uio uiu ulb ulc uld uli ull ulo ulu uob uoc uod uol uoo uuc uuu