-ic a-a a-c a-i a-t aaa aac aaf aai aak aao aar aat ac- aca acc acf aci ack aco acr act af- afa afc aff afi afk afo afr aft ai- aia aic aif aii aik aio air ait aka akc aki akk ako akr aoa aoc aof aoi aok aoo aor aot ar- ara arc arf ari ark aro arr art at- ata atc atf ati ato atr att c-- caa cac caf cai cak cao car cat cca ccc ccf cci cck cco ccr cct cfa cfc cff cfi cfk cfo cfr cft ci- cia cic cif cii cik cio cir cit cka ckc cki cko ckt co- coa coc cof coi cok coo cor cot cra crc crf cri crk cro crr crt cta ctc ctf cti ctk cto ctr ctt faa fac faf fai fak fao far fat fca fcc fcf fci fck fco fcr fct ffa ffc fff ffi ffk ffo ffr fft fia fic fif fii fik fir fit fka fkc fkf fki fkk fkt foa foc fof foi fok foo for fot fra frc frf fri frk fro frr frt fta ftc ftf fti ftk fto ftr ftt i-f ia- iaa iac iaf iai iao iar iat ica icc icf ici ick ico icr ict ifa ifc iff ifi ifo ifr ift iia iic iif iii iio iir iit ika ikc ikf iki ikk iko ikr ikt io- ioa ioc iof ioi ioo ior iot ir- ira irc irf iri irk iro irr irt ita itc itf iti itk ito itt k-t ka- kaa kac kaf kai kak kao kar kat kca kcc kci kck kcr kct kfa kfc kff kfi kfo kia kic kif kii kik kio kir kit kkc kki kkk kkr kkt koa koc kof koi kok koo kor kot kra krc krf kri krk kro krr krt kta ktc ktf ktk kto ktr ktt o-i oaa oac oaf oai oak oao oar oat oc- oca occ ocf oci ock oco ocr oct of- ofa ofc off ofi ofo ofr oft oia oic oif oii oik oio oir oit oka okc oki okk oko okr oo- ooa ooc oof ooi ook ooo oor oot or- ora orc orf ori ork oro orr ort ot- ota otc otf oti otk oto otr ott ra- raa rac raf rai rak rao rar rat rca rcc rcf rci rco rcr rct rfa rfc rff rfi rfk rfo rfr rft ria ric rif rii rik rio rir rit rkc rkf rkk rko rkt roa roc rof roi rok roo ror rot rra rrc rrf rri rrk rrr rrt rta rtc rtf rti rtk rto rtr rtt taa tac taf tai tak tao tar tat tca tcc tcf tci tck tco tcr tct tfa tfc tff tfi tfk tfo tfr tft tia tic tif tii tik tio tir tit tka tkc tkk tko tkr tkt to- toa toc tof toi tok too tor tot tra trc trf tri trk tro trr trt tta ttc ttf tti ttk tto ttr ttt