a-a a-z aaa aah aao aap aar aas aaz aha ahh aho ahp ahr ahs ahz aoa aoh aoo aop aor aos ap- apa aph apo app apr aps ar- ara arh aro arp arr ars arz as- asa ash aso asp asr ass asz az- aza azo azp azs azz haa hah hao hap har has haz hha hhh hho hhp hhr hhs hhz hoa hoh hoo hop hor hos hpa hph hpo hpp hpr hps hr- hra hrh hro hrp hrr hrs hrz hsa hsh hsp hsr hss hsz hzo hzp hzs oaa oah oao oap oar oas oha ohh oho ohp ohr ohs oo- ooa ooh ooo oop oor oos op- opa oph opo opp opr ops or- ora orh oro orp orr ors orz os- osa osh oso osp osr oss oza ozo ozs ozz p-p paa pah pao pap par pas paz pha pho php phr phs poa poh poo pop por pos poz ppa pph ppo ppp ppr pps ppz pra prh pro prp prr prs prz ps- psa psh pso psp psr pss pzp ra- raa rah rao rap rar ras raz rh- rha rhh rho rhp rhr rhs roa roh roo rop ror ros roz rpa rph rpo rpp rpr rps rpz rra rrh rrp rrr rrs rsa rsh rso rsp rsr rss rza rzo saa sah sao sap sar sas saz sh- sha shh sho shp shr shs soa soh soo sop sor sos soz spa sph spo spp spr sps spz sr- sra srh sro srp srr srs ss- ssa ssh sso ssp ssr sss ssz sza szp szr zaa zah zao zap zar zas zaz zha zho zhr zhs zo- zoa zoo zor zos zpo zpp zpr zrh zro zrp zrs zsa zsh zsz zzr zzs zzz