a-a a-z aaa aad aaf aah aao aap aar aaz ad- ada add adf adh ado adp adr adz af- afa afd aff afh afo afp afr afz aha ahd ahf ahh aho ahp ahr ahz aoa aod aof aoh aoo aop aor ap- apa apd apf aph apo app apr ar- ara ard arf arh aro arp arr arz az- aza azd azf azo azp azz daa dad daf dah dao dap dar daz dda ddd ddf ddh ddo ddp ddr ddz dfa dfd dff dfh dfo dfp dfr dfz dh- dha dhd dhf dhh dho dhp dhr doa dod dof doh doo dop dor doz dpa dpd dpf dph dpo dpp dpr dpz dra drd dro drp drr drz dza dzd dzo dzp dzr faa fad faf fah fao fap far faz fda fdd fdf fdh fdo fdp fdr ffa ffd fff ffh ffo ffp ffr ffz fha fhf fhh fho fhp fhr foa fof foh foo fop for foz fpa fpd fph fpo fpp fpr fra frd frf frh fro frp frr fzd fzh haa had haf hah hao hap har haz hda hdd hdf hdh hdo hdp hdr hdz hfa hfd hff hfh hfo hfp hfr hha hhd hhf hhh hho hhp hhr hhz hoa hod hof hoh hoo hop hor hpa hpd hpf hph hpo hpp hpr hr- hra hrd hrf hrh hro hrp hrr hrz hzd hzo hzp oaa oad oaf oah oao oap oar oda odd odf odh odo odp odr of- ofa ofd off ofo ofp ofr ofz oha ohd ohf ohh oho ohp ohr oo- ooa ood oof ooh ooo oop oor op- opa opd opf oph opo opp opr or- ora ord orf orh oro orp orr orz oza ozo ozz p-p paa pad paf pah pao pap par paz pda pdd pdf pdh pdo pdp pdr pdz pfa pfd pff pfo pfp pfr pha phd phf pho php phr poa pod pof poh poo pop por poz ppa ppd ppf pph ppo ppp ppr ppz pra prd prf prh pro prp prr prz pzp ra- raa rad raf rah rao rap rar raz rda rdd rdf rdh rdo rdp rdr rfa rfd rff rfh rfo rfp rfr rfz rh- rha rhd rhf rhh rho rhp rhr roa rod rof roh roo rop ror roz rpa rpd rpf rph rpo rpp rpr rpz rra rrd rrf rrh rrp rrr rza rzo zaa zad zaf zah zao zap zar zaz zdf zfa zfd zfr zha zho zhr zo- zoa zod zof zoo zor zpf zpo zpp zpr zrh zro zrp zzr zzz