b-p bbb bbd bbi bbk bbo bbp bdb bdd bdi bdk bdo bdp bdz bi- bib bid bii bik bio bip biz bkb bkk bko bkp bob bod boi bok boo bop boz bpb bpd bpi bpo bpp bzd bzo bzp bzz dbb dbd dbi dbk dbo dbp dbz ddb ddd ddi ddk ddo ddp ddz di- dib did dii dik dio dip diz dkb dki dkk dko dkp dob dod doi dok doo dop doz dpb dpd dpi dpk dpo dpp dpz dzb dzd dzi dzo dzp i-d ibb ibd ibi ibk ibo ibp ibz idb idd idi idk ido idp iib iid iii iio iip ikb iki ikk iko io- iob iod ioi ioo iop ipb ipd ipi ipo ipp izi izo izz k-z kbb kbd kbi kbk kbo kbp kbz kdb kdk kdo kdp kib kid kii kik kio kip kiz kkb kki kkk kkp kob kod koi kok koo kop koz kpd kpi kpk kpo kpp kzo o-i ob- obb obd obi obk obo obp odb odd odi odo odp oib oid oii oik oio oip oiz okb okd oki okk oko okp oo- oob ood ooi ook ooo oop op- opb opd opi opk opo opp ozo ozz p-p pbb pbd pbi pbk pbo pbp pbz pdb pdd pdi pdk pdo pdp pdz pib pid pii pik pio pip piz pkb pkd pki pko pkp pob pod poi pok poo pop poz ppb ppd ppi ppk ppo ppp ppz pzk pzp zbb zib zid zik zio zip ziz zo- zob zod zoi zok zoo zpi zpo zpp zzz