-ic a-a a-c a-i aaa aac aah aai aao aap aas ac- aca acc ach aci aco acp acs aha ahc ahh ahi aho ahp ahs ai- aia aic aih aii aio aip ais aoa aoc aoh aoi aoo aop aos ap- apa apc aph api apo app aps as- asa asc ash asi aso asp ass c-- caa cac cah cai cao cap cas cca ccc cch cci cco ccp ccs ch- cha chc chh chi cho chp chs ci- cia cic cih cii cio cip cis co- coa coc coh coi coo cop cos cpa cpc cph cpi cpo cpp cps csa csc csh csi cso csp css h-i haa hac hah hai hao hap has hca hcc hch hci hco hcp hcs hha hhc hhh hhi hho hhp hhs hia hic hih hii hio hip his hoa hoc hoh hoi hoo hop hos hpa hpc hph hpi hpo hpp hps hsa hsc hsh hsi hsp hss ia- iaa iac iah iai iao iap ias ica icc ich ici ico icp ics iha ihc ihh ihi iho ihp ihs iia iic iih iii iio iip iis io- ioa ioc ioh ioi ioo iop ios ipa ipc ipi ipo ipp ips is- isa isc ish isi iso isp iss o-i oaa oac oah oai oao oap oas oc- oca occ och oci oco ocp ocs oha ohc ohh ohi oho ohp ohs oia oic oii oio oip ois oo- ooa ooc ooh ooi ooo oop oos op- opa opc oph opi opo opp ops os- osa osc osh osi oso osp oss p-p paa pac pah pai pao pap pas pca pcc pch pci pco pcp pcs pha phc phi pho php phs pia pic pih pii pio pip pis poa poc poh poi poo pop pos ppa ppc pph ppi ppo ppp pps ps- psa psc psh psi pso psp pss saa sac sah sai sao sap sas sca scc sch sci sco scp scs sh- sha shc shh shi sho shp shs sia sic sih sii sio sip sis soa soc soh soi soo sop sos spa spc sph spi spo spp sps ss- ssa ssc ssh ssi sso ssp sss