a-a a-i a-t aaa aaf aai aak aao aap aar aat af- afa aff afi afk afo afp afr aft ai- aia aif aii aik aio aip air ait aka aki akk ako akp akr aoa aof aoi aok aoo aop aor aot ap- apa apf api apk apo app apr apt ar- ara arf ari ark aro arp arr art at- ata atf ati ato atp atr att faa faf fai fak fao fap far fat ffa fff ffi ffk ffo ffp ffr fft fia fif fii fik fip fir fit fka fkf fki fkk fkp fkt foa fof foi fok foo fop for fot fpa fpi fpk fpo fpp fpr fpt fra frf fri frk fro frp frr frt fta ftf fti ftk fto ftp ftr ftt i-f ia- iaa iaf iai iao iap iar iat ifa iff ifi ifo ifp ifr ift iia iif iii iio iip iir iit ika ikf iki ikk iko ikr ikt io- ioa iof ioi ioo iop ior iot ipa ipf ipi ipo ipp ipr ipt ir- ira irf iri irk iro irp irr irt ita itf iti itk ito itp itt k-t ka- kaa kaf kai kak kao kap kar kat kfa kff kfi kfo kia kif kii kik kio kip kir kit kki kkk kkp kkr kkt koa kof koi kok koo kop kor kot kpa kpf kpi kpk kpo kpp kpr kpt kra krf kri krk kro krp krr krt kta ktf ktk kto ktp ktr ktt o-i oaa oaf oai oak oao oap oar oat of- ofa off ofi ofo ofp ofr oft oia oif oii oik oio oip oir oit oka oki okk oko okp okr oo- ooa oof ooi ook ooo oop oor oot op- opa opf opi opk opo opp opr opt or- ora orf ori ork oro orp orr ort ot- ota otf oti otk oto otp otr ott p-p paa paf pai pak pao pap par pat pfa pff pfi pfk pfo pfp pfr pft pia pif pii pik pio pip pir pit pka pkf pki pko pkp pkr pkt poa pof poi pok poo pop por pot ppa ppf ppi ppk ppo ppp ppr ppt pra prf pri prk pro prp prr prt pt- pta ptf pti ptk pto ptp ptr ptt ra- raa raf rai rak rao rap rar rat rfa rff rfi rfk rfo rfp rfr rft ria rif rii rik rio rip rir rit rkf rkk rko rkp rkt roa rof roi rok roo rop ror rot rpa rpf rpi rpk rpo rpp rpr rpt rra rrf rri rrk rrp rrr rrt rta rtf rti rtk rto rtp rtr rtt taa taf tai tak tao tap tar tat tfa tff tfi tfk tfo tfp tfr tft tia tif tii tik tio tip tir tit tka tkk tko tkp tkr tkt to- toa tof toi tok too top tor tot tpa tpf tpi tpk tpo tpp tpr tpt tra trf tri trk tro trp trr trt tta ttf tti ttk tto ttp ttr ttt