-ic a-a a-c a-i a-t aaa aac aai aak aan aao aap aat ac- aca acc aci ack acn aco acp act ai- aia aic aii aik ain aio aip ait aka akc aki akk akn ako akp an- ana anc ani ank ann ano anp ant aoa aoc aoi aok aon aoo aop aot ap- apa apc api apk apn apo app apt at- ata atc ati atn ato atp att c-- caa cac cai cak can cao cap cat cca ccc cci cck ccn cco ccp cct ci- cia cic cii cik cin cio cip cit cka ckc cki cko ckt cn- cna cnc cni cnn cno cnp cnt co- coa coc coi cok con coo cop cot cpa cpc cpi cpk cpn cpo cpp cpt cta ctc cti ctk ctn cto ctp ctt ia- iaa iac iai ian iao iap iat ica icc ici ick icn ico icp ict iia iic iii iin iio iip iit ika ikc iki ikk iko ikt in- ina inc ini ink inn ino inp int io- ioa ioc ioi ion ioo iop iot ipa ipc ipi ipn ipo ipp ipt ita itc iti itk itn ito itp itt k-t ka- kaa kac kai kak kan kao kap kat kca kcc kci kck kcn kcp kct kia kic kii kik kin kio kip kit kkc kki kkk kkn kkp kkt kn- kna knc kni knk knn kno knp knt koa koc koi kok kon koo kop kot kpa kpc kpi kpk kpn kpo kpp kpt kta ktc ktk ktn kto ktp ktt n-i naa nac nai nak nan nao nap nat nca ncc nci nck ncn nco ncp nct nia nic nii nik nin nio nip nit nka nkc nki nkk nkn nko nkp nkt nna nnc nni nnk nnn nno nnp nnt no- noa noc noi nok non noo nop not npa npc npi npn npo npp npt nta ntc nti ntk ntn nto ntp ntt o-i oaa oac oai oak oan oao oap oat oc- oca occ oci ock ocn oco ocp oct oia oic oii oik oin oio oip oit oka okc oki okk oko okp on- ona onc oni onk onn ono onp ont oo- ooa ooc ooi ook oon ooo oop oot op- opa opc opi opk opn opo opp opt ot- ota otc oti otk otn oto otp ott p-p paa pac pai pak pan pao pap pat pca pcc pci pck pcn pco pcp pct pia pic pii pik pin pio pip pit pka pkc pki pkn pko pkp pkt pn- pna pnc pni pnk pnn pno pnp pnt poa poc poi pok pon poo pop pot ppa ppc ppi ppk ppn ppo ppp ppt pt- pta ptc pti ptk ptn pto ptp ptt taa tac tai tak tan tao tap tat tca tcc tci tck tcn tco tcp tct tia tic tii tik tin tio tip tit tka tkc tkk tko tkp tkt tna tnc tni tnk tnn tno tnp tnt to- toa toc toi tok ton too top tot tpa tpc tpi tpk tpn tpo tpp tpt tta ttc tti ttk ttn tto ttp ttt