-ic a-a a-c a-i a-z aaa aac aai aak aao aap aaz ac- aca acc aci ack aco acp acz ai- aia aic aii aik aio aip aiz aka akc aki akk ako akp aoa aoc aoi aok aoo aop ap- apa apc api apk apo app az- aza azi azo azp azz c-- caa cac cai cak cao cap caz cca ccc cci cck cco ccp ccz ci- cia cic cii cik cio cip cka ckc cki cko co- coa coc coi cok coo cop coz cpa cpc cpi cpk cpo cpp cpz cz- czc czk czo ia- iaa iac iai iao iap iaz ica icc ici ick ico icp icz iia iic iii iio iip ika ikc iki ikk iko io- ioa ioc ioi ioo iop ipa ipc ipi ipo ipp iza izi izo izz k-z ka- kaa kac kai kak kao kap kaz kca kcc kci kck kcp kia kic kii kik kio kip kiz kkc kki kkk kkp koa koc koi kok koo kop koz kpa kpc kpi kpk kpo kpp kzo o-i oaa oac oai oak oao oap oc- oca occ oci ock oco ocp ocz oia oic oii oik oio oip oiz oka okc oki okk oko okp oo- ooa ooc ooi ook ooo oop op- opa opc opi opk opo opp oza ozo ozz p-p paa pac pai pak pao pap paz pca pcc pci pck pco pcp pia pic pii pik pio pip piz pka pkc pki pko pkp poa poc poi pok poo pop poz ppa ppc ppi ppk ppo ppp ppz pzc pzk pzp zaa zac zai zak zao zap zaz zco zia zik zio zip ziz zka zo- zoa zoc zoi zok zoo zpc zpi zpo zpp zzz