k-t kkk kkp kkr kks kkt kkv kok koo kop kor kos kot kpk kpo kpp kpr kps kpt kpv krk kro krp krr krs krt krv ksk kso ksp ksr kss kst ksv ktk kto ktp ktr kts ktt ktv kvk kvo kvp kvr kvs kvv okk oko okp okr oks oo- ook ooo oop oor oos oot oov op- opk opo opp opr ops opt opv or- ork oro orp orr ors ort orv os- osk oso osp osr oss ost osv ot- otk oto otp otr ots ott otv ov- ovo ovp ovs ovv p-p pko pkp pkr pks pkt pok poo pop por pos pot pov ppk ppo ppp ppr pps ppt ppv prk pro prp prr prs prt prv ps- psk pso psp psr pss pst psv pt- ptk pto ptp ptr pts ptt ptv pvk pvo pvp pvr pvs pvt pvv rkk rko rkp rks rkt rkv rok roo rop ror ros rot rov rpk rpo rpp rpr rps rpt rpv rrk rrp rrr rrs rrt rsk rso rsp rsr rss rst rsv rtk rto rtp rtr rts rtt rtv rvo rvp rvr rvs rvt rvv sk- skk sko skp skr sks skt sok soo sop sor sos sot sov spk spo spp spr sps spt spv sr- srk sro srp srr srs srt srv ss- ssk sso ssp ssr sss sst ssv stk sto stp str sts stt stv svk svo svp svr svs svt svv tkk tko tkp tkr tks tkt to- tok too top tor tos tot tov tpk tpo tpp tpr tps tpt tpv trk tro trp trr trs trt trv tsk tso tsp tsr tss tst tsv ttk tto ttp ttr tts ttt ttv tvk tvo tvp tvr tvs tvt vkp vkt vok voo vop vor vos vot vov vpk vpo vpp vpr vps vpt vrk vrp vrr vrs vrt vsk vso vsp vsr vss vst vsv vtk vto vtr vts vtt vtv vvo vvr vvs vvt vvv