a-a a-t aaa aak aan aao aap aar aat aka akk akn ako akp akr an- ana ank ann ano anp anr ant aoa aok aon aoo aop aor aot ap- apa apk apn apo app apr apt ar- ara ark arn aro arp arr art at- ata atn ato atp atr att k-t ka- kaa kak kan kao kap kar kat kkk kkn kkp kkr kkt kn- kna knk knn kno knp knr knt koa kok kon koo kop kor kot kpa kpk kpn kpo kpp kpr kpt kra krk krn kro krp krr krt kta ktk ktn kto ktp ktr ktt naa nak nan nao nap nar nat nka nkk nkn nko nkp nkr nkt nna nnk nnn nno nnp nnt no- noa nok non noo nop nor not npa npn npo npp npr npt nra nrk nrn nro nrp nrr nrt nta ntk ntn nto ntp ntr ntt oaa oak oan oao oap oar oat oka okk oko okp okr on- ona onk onn ono onp onr ont oo- ooa ook oon ooo oop oor oot op- opa opk opn opo opp opr opt or- ora ork orn oro orp orr ort ot- ota otk otn oto otp otr ott p-p paa pak pan pao pap par pat pka pkn pko pkp pkr pkt pn- pna pnk pnn pno pnp pnr pnt poa pok pon poo pop por pot ppa ppk ppn ppo ppp ppr ppt pra prk prn pro prp prr prt pt- pta ptk ptn pto ptp ptr ptt ra- raa rak ran rao rap rar rat rkk rko rkp rkt rna rnn rno rnp rnr rnt roa rok ron roo rop ror rot rpa rpk rpn rpo rpp rpr rpt rra rrk rrn rrp rrr rrt rta rtk rtn rto rtp rtr rtt taa tak tan tao tap tar tat tka tkk tko tkp tkr tkt tna tnk tnn tno tnp tnr tnt to- toa tok ton too top tor tot tpa tpk tpn tpo tpp tpr tpt tra trk trn tro trp trr trt tta ttk ttn tto ttp ttr ttt