-ol b-u bbb bbe bbh bbi bbl bbo bbu be- beb bee beh bei bel beo beu bhb bhe bhh bhi bhl bho bhu bi- bib bie bih bii bil bio biu blb ble blh bli bll blo blu bob boe boh boi bol boo bou bub bue buh bui bul buo buu ebb ebe ebh ebi ebl ebo ebu eeb eee eel eeo ehb ehe ehh ehi ehl eho ehu eib eie eii eil eio eiu elb ele elh eli ell elo elu eo- eob eoe eoh eoi eol eoo eou eu- eub eue eui eul h-i hbb hbe hbh hbi hbl hbo hbu he- heb hee heh hei hel heo heu hhb hhe hhh hhi hhl hho hhu hib hie hih hii hil hio hiu hlb hle hlh hli hll hlo hlu hob hoe hoh hoi hol hoo hou hub hue huh hui hul huo huu ibb ibe ibh ibi ibl ibo ibu ie- iee iei iel ihb ihe ihh ihi ihl iho ihu iib iie iih iii iil iio iiu il- ilb ile ilh ili ill ilo ilu io- iob ioe ioh ioi iol ioo iou iu- iub iue iui lbb lbe lbh lbi lbl lbo lbu leb lee leh lei lel leo leu lhb lhh lhi lho lhu lib lie lih lii lil lio liu llb lle lli lll llo llu lob loe loh loi lol loo lou lub lue luh lui lul luo luu o-i ob- obb obe obh obi obl obo obu oeb oee oeh oei oel oeo ohe ohh ohi ohl oho ohu oib oie oii oil oio oiu olb ole oli oll olo olu oo- oob ooh ooi ool ooo ou- oue ouh oui oul ouo ubb ube ubh ubi ubl ubo ubu ueb uee ueh uei uel uhb uhe uhh uhi uhl uho uhu uib uie uii uil uio uiu ulb ule uli ull ulo ulu uob uoe uol uoo uue uuu