nrn nro nrp nrr nrs nrt nsa nsc nse nsh nsi nsm nsn nso nsp nsr nss nst nta ntc nte nth nti ntm ntn nto ntp ntr nts ntt o-i oaa oac oae oah oai oam oan oao oap oar oas oat oc- oca occ och oci ocm ocn oco ocp ocr ocs oct oea oec oee oeh oei oem oen oeo oep oer oes oet oha ohc ohe ohh ohi ohm ohn oho ohp ohr ohs oht oia oic oie oii oim oin oio oip oir ois oit om- oma omc ome omh omi omm omn omo omp omr oms omt on- ona onc one onh oni onn ono onp onr ons ont oo- ooa ooc ooh ooi oom oon ooo oop oor oos oot op- opa opc ope oph opi opm opn opo opp opr ops opt or- ora orc ore orh ori orm orn oro orp orr ors ort os- osa osc ose osh osi osm osn oso osp osr oss ost ot- ota otc ote oth oti otm otn oto otp otr ots ott p-p paa pac pae pah pai pam pan pao pap par pas pat pca pcc pce pch pci pcm pcn pco pcp pcr pcs pct pea pec pee peh pei pem pen peo pep per pes pet pha phc phe phi phm phn pho php phr phs pht pia pic pie pih pii pim pin pio pip pir pis pit pma pmc pme pmh pmi pmm pmn pmo pmp pmr pms pmt pn- pna pnc pne pnh pni pnm pnn pno pnp pnr pns pnt poa poc poe poh poi pom pon poo pop por pos pot ppa ppc ppe pph ppi ppm ppn ppo ppp ppr pps ppt pra prc pre prh pri prm prn pro prp prr prs prt ps- psa psc pse psh psi psm psn pso psp psr pss pst pt- pta ptc pte pth pti ptm ptn pto ptp ptr pts ptt ra- raa rac rae rah rai ram ran rao rap rar ras rat rca rcc rce rch rci rcm rcn rco rcp rcr rcs rct re- rea rec ree reh rei rem ren reo rep rer res ret rh- rha rhc rhe rhh rhi rhm rhn rho rhp rhr rhs rht ria ric rie rih rii rim rin rio rip rir ris rit rma rmc rme rmh rmi rmm rmn rmo rmp rmr rms rmt rna rnc rnh rni rnm rnn rno rnp rnr rns rnt roa roc roe roh roi rom ron roo rop ror ros rot rpa rpc rpe rph rpi rpm rpn rpo rpp rpr rps rpt rra rrc rrh rri rrm rrn rrp rrr rrs rrt rsa rsc rse rsh rsi rsm rsn rso rsp rsr rss rst rta rtc rte rti rtm rtn rto rtp rtr rts rtt saa sac sae sah sai sam san sao sap sar sas sat sca scc sce sch sci scm scn sco scp scr scs sct se- sea sec see seh sei sem sen seo sep ser ses set sh- sha shc she shh shi shm shn sho shp shr shs sht sia sic sie sih sii sim sin sio sip sir sis sit sma smc sme smh smi smm smn smo smp smr sms smt sna snc sne sni snm snn sno snp snr sns snt soa soc soe soh soi som son soo sop sor sos sot spa spc spe sph spi spm spn spo spp spr sps spt sr- sra src sre srh sri srm srn sro srp srr srs srt ss- ssa ssc sse ssh ssi ssm ssn sso ssp ssr sss sst sta stc ste sth sti stm stn sto stp str sts stt taa tac tae tah tai tam tan tao tap tar tas tat tca tcc tce tch tci tcm tcn tco tcp tcr tcs tct te- tea tec tee teh tei tem ten teo tep ter tes tet th- tha thc the thh thi thm thn tho thp thr ths tht tia tic tie tih tii tim tin tio tip tir tis tit tma tmc tme tmh tmi tmm tmn tmo tmp tmr tms tmt tna tnc tne tnh tni tnm tnn tno tnp tnr tns tnt to- toa toc toe toh toi tom ton too top tor tos tot tpa tpc tpe tph tpi tpm tpn tpo tpp tpr tps tpt tra trc tre trh tri trm trn tro trp trr trs trt tsa tsc tse tsh tsi tsm tsn tso tsp tsr tss tst tta ttc tte tth tti ttm ttn tto ttp ttr tts ttt