a-a a-c a-t a-z aaa aac aao aap aar aat aay aaz ac- aca acc aco acp acr act acy acz aoa aoc aoo aop aor aot ap- apa apc apo app apr apt apy ar- ara arc aro arp arr art ary arz at- ata atc ato atp atr att atz ay- aya ayc ayo ayp ayr ayt ayz az- aza azo azp azt azy azz c-- caa cac cao cap car cat cay caz cca ccc cco ccp ccr cct ccz co- coa coc coo cop cor cot coy coz cpa cpc cpo cpp cpr cpt cpz cra crc cro crp crr crt cry crz cta ctc cto ctp ctr ctt cty ctz cya cyc cyo cyp cyr cyt cz- czc czo czt oaa oac oao oap oar oat oc- oca occ oco ocp ocr oct ocz oo- ooa ooc ooo oop oor oot op- opa opc opo opp opr opt opy or- ora orc oro orp orr ort ory orz ot- ota otc oto otp otr ott otz oya oyo oza ozo ozt ozz p-p paa pac pao pap par pat pay paz pca pcc pco pcp pcr pct poa poc poo pop por pot poy poz ppa ppc ppo ppp ppr ppt ppz pra prc pro prp prr prt pry prz pt- pta ptc pto ptp ptr ptt pty ptz py- pya pyc pyo pyr pyt pzc pzp pzt ra- raa rac rao rap rar rat ray raz rca rcc rco rcp rcr rct roa roc roo rop ror rot roy roz rpa rpc rpo rpp rpr rpt rpz rra rrc rrp rrr rrt rta rtc rto rtp rtr rtt rty rtz ry- rya ryc ryo ryr ryy ryz rza rzo rzy taa tac tao tap tar tat tay taz tca tcc tco tcp tcr tct to- toa toc too top tor tot toy toz tpa tpc tpo tpp tpr tpt tpz tra trc tro trp trr trt try trz tta ttc tto ttp ttr ttt tty tya tyc tyo typ tyr tyt tza yaa yac yao yap yar yat yay yaz yca ycc yco ycp ycy yoc yoo yop yor yot yoy ypa ypo yra yrc yro yrp yrt yta ytc yto ytp ytr ytt yyc yyt yyy yyz yzr yzy zaa zac zao zap zar zat zay zaz zco zo- zoa zoc zoo zor zot zpc zpo zpp zpr zpt zro zrp zta ztr zzr zzt zzy zzz